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Hi Simon, 20 to 30 watts would be suitable estimate for the CF-741 depending upon options fitted...........Regards, Rod.
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Calm down fella - I haven't called anyone names.? Questioning your decisions is not name calling.?
Perhaps you should heed your own advice and listen to other's viewpoints too.
Assuming a consumable will decrease overhead when it might very well increase it would also be a mistake.? My position has always been that purchase cost is not the sole thing to figure out true and total overhead cost.? It was also that Andy's computation of blade cost was flawed.?
I've acknowledged that how you run your operation only needs to satisfy you (as long as you're the only -or- majority shareholder)?? And it's absolutely fine that you want to value tool capability, process speed, and duty cycle as most important.? All I'm saying is that if you don't fully (and accurately) measure, calculate, and account? (charge) for all that attendant labor - you are leaving money on the table.? And ignoring or miscalculating it as Andy seemingly is, doesn't make it magically disappear from the accounting ledger.
? With regard to your first variable - aren't there lots of machines, tooling and processes that would be capable of executing the work you're asked to do ?? I think we all know the answer is yes, so you must use some other yardstick by which to select a particular one, yes ?? I'll bet the decision comes down to its effect on overhead.
Or are you gonna tell us it's process speed ? ? ? ? counts against overhead Or, attendant labor for changeout ?????? counts against overhead.
Maybe it's just plain ol' purchase price..........counts against your overhead
D
On Monday, May 15, 2023 at 02:21:30 PM EDT, Trboat <trboatworks@...> wrote:
I¡¯d suggest you take a break from posting on forums until such time as you can listen to the experience of others without name calling. In my business cost is always the least important variable. It is a distant third for my clientele being upstaged by the quality of the work and the timeframes in which the work is executed. In my shop of primary importance is that the machine, process or tooling is capable of executing the work. Second to basic functionality is process speed. Third is duty cycle and the attendant labor which changeout impose on production. All of these are costs to the basic premise of a professional shop which is to execute the contract to the specified standards in the agreed time frame. Tooling is a low cost consumable which has the risk of not selected appropriately to have a high carryover burden to process success. It is a mistake to assume a consumable item at twice the purchase cost is an increase in overhead when it very well may decrease it. Thank you for you thoughts but you are mistaken:
¡°¡±In a pro shop cost is the least important variable for tooling like this."
?
?
If this is your position - then you aren't running a business.?? Cost of frequently replaced item (overhead) is absolutely a top variable, along with labor and material cost.? It seems it's that labor cost (and how it's allocated within overhead & into the overall cost of one knife system vs.. another) that we're really disagreeing about.
?
While the initial price of a head or blades (and its tiny % of your overhead) may seem trivial - how one's choice of such absolutely impacts the business's bottom line.? Same as that cheap truck that slowly bleeds you maintenance, increased fuel costs and downtime vs. the new one that gets better gas mileage and is always ready to go.? Or any of the myriad of other capital expenditures you've made to increase your production (efficiency). ??
?
?
Why did you upgrade or buy any of your equipment ?? Because it looked good in your shop ?? No , because its cost was offset by the money it makes you.? Or doesn't.
?
?
Perhaps the gain or loss of one choice vs.another is acceptable to you , it's your choice after all. But to say that tooling cost is the least important line item is a bit naive in my view.¡±¡± - ?David Sabo
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Re: Update on Martin T32 Jointer/Planer
When I started doing my research the Panhans was really one of the standouts.? I liked it better than the Hofmann.
Problem was they had no warranty or support in the US that I could find.
The Panhans is really a nice piece!? The FS 7 has 2300mm tables vs 2550mm on the Panhans but no cut outs on the FS 7.
The touch controls seem amazin on the Panhans!
PK
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I didnt think the discussion was getting too spicy.?
Im the?aforementioned well-heeled garage warrior. Although, I technically work out of my garage and my basement. I have tersa running m42 knives in my 500mm jointer, and i have a byrd in my 20" powermatic import planer. The surface finish off the byrd leaves A LOT to be desired. However, those carbide edges go and go and go and go. I swapped them after the first year of running maybe 4-5,000 bdft of 8/4 through the machine thinking, "these have to be dull by now and i am simply not noticing it". There was no distinction in cut quality after the rotation, none. The second time i rotated the inserts was 3-4 years later. I noticed a slight improvement in surface finish from that rotation. It was said before, but rotating the inserts is a complete PITA. The marketing will have you believe it's?as easy as 1,2, 3... but it's a multiple hour job. I think i timed myself the second time and it was almost two hours to mark, remove, clean, reinsert, and torque all 100+/- cutters. Now, keep in mind that is one marathon session required every 3-4 years of modest hobbyist usage. My jointer requires a 5-7 minute tersa knife swap roughly twice a year.?
Personally, i dont?care too much about the time required for a swap or the cost of the knives/cutterhead. I want the best surface finish. Between my two machines, the jointer produces the vastly superior planed surface. The byrd would be acceptable to me if i planned on running a ton of rough lumber through it and i had a means of quickly kissing it with a widebelt?afterwards. The chip compaction in my cyclone bin is very nice off the byrd. The tersa fills the bin with half as much sawdust because the shavings are long and fluffy.?
I am very interested in seeing the high end hermance, martin, felder helical cutterheads in person.?
Patrick
I like going into the weeds, so let me also add an additional factor to consider.? For a number of years, the knives for the Tersa head were patient protected and thus available from few suppliers (like one) and the pricing reflected that fact.? The Tersa patient has expired, availability is now close to commodity status (available on Amazon even), the inflation-adjusted prices have come down a bit, and newer versions of the knives have emerged with different steel alloys. ?
In contrast, the carbide insert on the Felder SilentPower head is proprietary to Felder, only available from them, and about a month ago someone on here was trying to find replacements and being told they are out of stock in both USA and Austria with an expected 4-6 week lead time.? Personally, I try to avoid sole-sourced consumable dependency. ?
Now we're really gonna get into the weeds.? a Tersa head isn't free either.? And might even be the most expensive purchase option initially.? Depends on where it's sourced.? SCMi is prob. cheaper than Felder, and both likely cheaper than sourcing one on your own.
Right now, a SilentPower head on a 16" Hammer combo J/P is less than $200 over their self aligning blade system.? And you can have it delivered today.? Don't know what the Tersa option adds or subtracts or how long the wait would be for it to be made.? I think it's safe to say a Tersa will be more money in this scenario.
A 12" head directly from Tersa is roughly $2750 these days.
But if we're talking about a F4 Dual 51...........................I have no idea what the SP option runs on that.? I think it safe to say it's not going to be $200.
D
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It would be about 4500$ retail for mine.?
What nobody has factored into the cost equation is how many tersa blades you can purchase for the option cost on the insert cutterhead.? Isn't it a couple thousand dollar option? Dave Davies
On Mon, May 15, 2023 at 12:18?PM Mike Leiferman < leiferman@...> wrote: Next time I am tempted to write, I think I will ask the three Dave¡¯s to review prior to pushing send.
Well reasoned and insightful, David S.
Mike ?
Don't think it's a push at best.? From a total cost perspective it could be a clear winner.? It could also be a clear loser.? Like you said, it depends on the circumstances.? Which,? in this case is lots of teak with frequent knife changes.
Plenty of large scale facilities using plain straight knives too.? What's your point ?
Sam's piece / opinion doesn't really re-enforce your position.? He hedges by saying "probably" for each type of head and and shop.? Plus he doesn't broach the cost of either head, ever.? So it's really impossible to use his musings in a discussion on? "which is cheaper". ??
Furthermore - I? NEVER said segments only belong in a garage shop - nor is it my opinion.? Let's look at what I actually said:
" So? I'll re-iterate.......if you're a well healed garage warrior, or
shop that occasionally process solid timber; segments will be cheaper
because you likely won't reach the break even point the changeover labor
of segments adds to the equation."
I said segments will be CHEAPER for the garage shop because they are less likely to change blades and approach the cost savings in labor that Tersa affords.?? That's a big difference from saying it only belongs in a garage shop.? HUGE.?
It's a pretty simple math problem.?? The more you change blades and the higher your labor costs are , the cheaper Tersa becomes.? The less you change blades and the cheaper your labor is , the cheaper a Segment is.? This is true whether you're in a garage in rural Mississippi or a state of the art factory in California.
Another way to look at it to ask yourself why production lines of all types want to automate and replace humans with machines pretty much everywhere they can ?? Not because it's cool, but because it's cheaper at the end of the day.
D
I didn¡¯t ¡°come around¡± to your line of thinking. I challenged your assertion that Tersa is less expensive. You¡¯ve only gone ahead and proven that it¡¯s probably a push, from a cost perspective, unless under very specific?circumstances.
Also there are plenty of large scale production facilities that use segmented heads.?
Sam Blasco, noted Tersa advocate seems to take the exact opposite position as you. In the first paragraph of this article, he suggested that in fact Tersa belongs in an artisan shop, whereas Xylent belongs in production.?
He goes on to gush about Tersa and all of its benefits, however the idea the segmented cutter heads belong in the garage only is just your opinion and one that even the self proclaimed Tersa aficionado Sam Blasco doesn¡¯t share.?
" Yep. There are lots of ways to view it. Both options are
great. I just don¡¯t think one is more cost effective than the other. I
can just turn one carbide segment if it gets chipped, Tersa is a quicker
wholesale swap."
Now that you've come round to realizing Tersa is a quicker swap-? it should make what I said earlier (or tried to) about Tersa being? cheaper the more you change your cutters pretty obvious. Your cutter edge savings with segments is pretty quickly eroded the more you swap edges because of the time suck involved in rotating an entire heads' worth of them.
And you don't have an option for questionable material with segments.? You run it and deal with the consequences.?
Yes, both are great options.? But I still stand my my original supposition that Tersa will be better /cheaper if you are in a production environment and frequently changing blades.?? Turning "one segment" is not where you're losing money.
? It's the turning of 50 to 100 of them !? The more often that occurs, the more the scale is tilted to Tersa.?? So? I'll re-iterate.......if you're a well healed garage warrior, or shop that occasionally process solid timber; segments will be cheaper because you likely won't reach the break even point the changeover labor of segments adds to the equation.?? Even cheaper than that will be reg. ol straight knives if you only change them once every 5-10 years.? Someone milling 1000's of board feet a week or month and changing blades frequently certainly should pay attention to how long a changeover is costing.? No money is being made while the machine is idle.
--
Dave & Marie Davies
318-219-7868
|
I like going into the weeds, so let me also add an additional factor to consider. ?For a number of years, the knives for the Tersa head were patient protected and thus available from few suppliers (like one) and the pricing reflected that fact. ?The Tersa patient has expired, availability is now close to commodity status (available on Amazon even), the inflation-adjusted prices have come down a bit, and newer versions of the knives have emerged with different steel alloys. ?
In contrast, the carbide insert on the Felder SilentPower head is proprietary to Felder, only available from them, and about a month ago someone on here was trying to find replacements and being told they are out of stock in both USA and Austria with an expected 4-6 week lead time. ?Personally, I try to avoid sole-sourced consumable dependency. ?
David Best
DBestWorkshop@...
https://www.flickr.com/photos/davidpbest/collections/
https://www.youtube.com/@David_Best
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Show quoted text
On May 15, 2023, at 10:59 AM, David Sabo via groups.io <sabo_dave@...> wrote:
Now we're really gonna get into the weeds.? a Tersa head isn't free either.? And might even be the most expensive purchase option initially.? Depends on where it's sourced.? SCMi is prob. cheaper than Felder, and both likely cheaper than sourcing one on your own.
Right now, a SilentPower head on a 16" Hammer combo J/P is less than $200 over their self aligning blade system.? And you can have it delivered today.? Don't know what the Tersa option adds or subtracts or how long the wait would be for it to be made.? I think it's safe to say a Tersa will be more money in this scenario.
A 12" head directly from Tersa is roughly $2750 these days.
But if we're talking about a F4 Dual 51...........................I have no idea what the SP option runs on that.? I think it safe to say it's not going to be $200.
D
On Monday, May 15, 2023 at 01:23:01 PM EDT, David Davies <myfinishingtouch@...> wrote:
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I¡¯d suggest you take a break from posting on forums until such time as you can listen to the experience of others without name calling. In my business cost is always the least important variable. It is a distant third for my clientele being upstaged by the quality of the work and the timeframes in which the work is executed. In my shop of primary importance is that the machine, process or tooling is capable of executing the work. Second to basic functionality is process speed. Third is duty cycle and the attendant labor which changeout impose on production. All of these are costs to the basic premise of a professional shop which is to execute the contract to the specified standards in the agreed time frame. Tooling is a low cost consumable which has the risk of not selected appropriately to have a high carryover burden to process success. It is a mistake to assume a consumable item at twice the purchase cost is an increase in overhead when it very well may decrease it. Thank you for you thoughts but you are mistaken:
¡°¡±In a pro shop cost is the least important variable for tooling like this."
?
?
If this is your position - then you aren't running a business.?? Cost of frequently replaced item (overhead) is absolutely a top variable, along with labor and material cost.? It seems it's that labor cost (and how it's allocated within overhead & into the overall cost of one knife system vs.. another) that we're really disagreeing about.
?
While the initial price of a head or blades (and its tiny % of your overhead) may seem trivial - how one's choice of such absolutely impacts the business's bottom line.? Same as that cheap truck that slowly bleeds you maintenance, increased fuel costs and downtime vs. the new one that gets better gas mileage and is always ready to go.? Or any of the myriad of other capital expenditures you've made to increase your production (efficiency). ??
?
?
Why did you upgrade or buy any of your equipment ?? Because it looked good in your shop ?? No , because its cost was offset by the money it makes you.? Or doesn't.
?
?
Perhaps the gain or loss of one choice vs.another is acceptable to you , it's your choice after all. But to say that tooling cost is the least important line item is a bit naive in my view.¡±¡±
-?David Sabo
|
The design of the machine itself is also a factor in the comparison.? My experience is that insert heads are well suited to the hammer type and other machines that run smaller diameter heads and lack chipbreakers or pressure bars and good hold down rollers.?
Tersa are wonderful with 5" diameter heads on a heavy stout machine.? I'd want Tersa on a Format, Martin, L'Invincible or Panhans type machine but not on a lower end one.? Others will have to speak of the 700 build as I'm not familiar enough with the design
to guess on a choice.? Dave
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Show quoted text
Now we're really gonna get into the weeds.? a Tersa head isn't free either.? And might even be the most expensive purchase option initially.? Depends on where it's sourced.? SCMi is prob. cheaper than Felder, and both likely
cheaper than sourcing one on your own.
Right now, a SilentPower head on a 16" Hammer combo J/P is less than $200 over their self aligning blade system.? And you can have it delivered today.? Don't know what the Tersa option adds or subtracts or how long the wait
would be for it to be made.? I think it's safe to say a Tersa will be more money in this scenario.
A 12" head directly from Tersa is roughly $2750 these days.
But if we're talking about a F4 Dual 51...........................I have no idea what the SP option runs on that.? I think it safe to say it's not going to be $200.
D
On Monday, May 15, 2023 at 01:23:01 PM EDT, David Davies <myfinishingtouch@...> wrote:
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Re: Update on Martin T32 Jointer/Planer
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Designing and building for 50 years
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On May 15, 2023, at 12:42 PM, Jason Holtz <jholtzy@...> wrote:
?
The Inca 570 Jointer/Planer (I used for a decade) tables didn't move to use the planer function?
Jason
Jason Holtz
J. Holtz Furniture
3307 Snelling Ave. South
Minneapolis, MN 55406
612 432-2765
--
Jason
J. Holtz Furniture
3307 Snelling Ave. South
Minneapolis, MN 55406
Now we're really gonna get into the weeds.? a Tersa head isn't free either.? And might even be the most expensive purchase option initially.? Depends on where it's sourced.? SCMi is prob. cheaper than Felder, and both likely cheaper than sourcing one on your own.
Right now, a SilentPower head on a 16" Hammer combo J/P is less than $200 over their self aligning blade system.? And you can have it delivered today.? Don't know what the Tersa option adds or subtracts or how long the wait would be for it to be made.? I think it's safe to say a Tersa will be more money in this scenario.
A 12" head directly from Tersa is roughly $2750 these days.
But if we're talking about a F4 Dual 51...........................I have no idea what the SP option runs on that.? I think it safe to say it's not going to be $200.
D
On Monday, May 15, 2023 at 01:23:01 PM EDT, David Davies <myfinishingtouch@...> wrote:
|
Also, if your tersa knives get a knick you can slide one knife over a little and correct the problem. ?It usually took longer to move things off the top of the planer than it did to slide the knife over and turn the machine back on.
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On May 15, 2023, at 10:52 AM, Trboat <trboatworks@...> wrote:
?And I will condition my experience.
I mill teak almost exclusively which while abrasive and hard on tooling is a freebie for tear out and planes without drama.
I have the ultra sharp HSS blade sets for when I need them but honestly I rarely do.
Carbide stays on the head pretty much all the time
Between the lathe and mills my shop is full of index tooling but when I saw the Byrd heads come out I knew I would never have one in the shop.
Far too much fiddling when a Tersa head just works (for me..).
The Felder head with fewer cutters would probably serve.
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Re: Update on Martin T32 Jointer/Planer
The Inca 570 Jointer/Planer (I used for a decade) tables didn't move to use the planer function?
Jason Jason Holtz
J. Holtz Furniture
3307 Snelling Ave. South Minneapolis, MN 55406
612 432-2765 -- Jason J. Holtz Furniture 3307 Snelling Ave. South Minneapolis, MN 55406
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Re: Hammer cross cut fence coupling set
¡well done Derek ¡as usual ?!?
Salut from Canada,
Jacques
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"In a pro shop cost is the least important variable for tooling like this."
If this is your position - then you aren't running a business.?? Cost of frequently replaced item (overhead) is absolutely a top variable, along with labor and material cost.? It seems it's that labor cost (and how it's allocated within overhead & into the overall cost of one knife system vs.. another) that we're really disagreeing about.
While the initial price of a head or blades (and its tiny % of your overhead) may seem trivial - how one's choice of such absolutely impacts the business's bottom line.? Same as that cheap truck that slowly bleeds you maintenance, increased fuel costs and downtime vs. the new one that gets better gas mileage and is always ready to go.? Or any of the myriad of other capital expenditures you've made to increase your production (efficiency). ?
Why did you upgrade or buy any of your equipment ?? Because it looked good in your shop ?? No , because its cost was offset by the money it makes you.? Or doesn't.
Perhaps the gain or loss of one choice vs.another is acceptable to you , it's your choice after all. But to say that tooling cost is the least important line item is a bit naive in my view.
D
|
What nobody has factored into the cost equation is how many tersa blades you can purchase for the option cost on the insert cutterhead.? Isn't it a couple thousand dollar option? Dave Davies
On Mon, May 15, 2023 at 12:18?PM Mike Leiferman < leiferman@...> wrote: Next time I am tempted to write, I think I will ask the three Dave¡¯s to review prior to pushing send.
Well reasoned and insightful, David S.
Mike ?
Don't think it's a push at best.? From a total cost perspective it could be a clear winner.? It could also be a clear loser.? Like you said, it depends on the circumstances.? Which,? in this case is lots of teak with frequent knife changes.
Plenty of large scale facilities using plain straight knives too.? What's your point ?
Sam's piece / opinion doesn't really re-enforce your position.? He hedges by saying "probably" for each type of head and and shop.? Plus he doesn't broach the cost of either head, ever.? So it's really impossible to use his musings in a discussion on? "which is cheaper". ??
Furthermore - I? NEVER said segments only belong in a garage shop - nor is it my opinion.? Let's look at what I actually said:
" So? I'll re-iterate.......if you're a well healed garage warrior, or
shop that occasionally process solid timber; segments will be cheaper
because you likely won't reach the break even point the changeover labor
of segments adds to the equation."
I said segments will be CHEAPER for the garage shop because they are less likely to change blades and approach the cost savings in labor that Tersa affords.?? That's a big difference from saying it only belongs in a garage shop.? HUGE.?
It's a pretty simple math problem.?? The more you change blades and the higher your labor costs are , the cheaper Tersa becomes.? The less you change blades and the cheaper your labor is , the cheaper a Segment is.? This is true whether you're in a garage in rural Mississippi or a state of the art factory in California.
Another way to look at it to ask yourself why production lines of all types want to automate and replace humans with machines pretty much everywhere they can ?? Not because it's cool, but because it's cheaper at the end of the day.
D
I didn¡¯t ¡°come around¡± to your line of thinking. I challenged your assertion that Tersa is less expensive. You¡¯ve only gone ahead and proven that it¡¯s probably a push, from a cost perspective, unless under very specific?circumstances.
Also there are plenty of large scale production facilities that use segmented heads.?
Sam Blasco, noted Tersa advocate seems to take the exact opposite position as you. In the first paragraph of this article, he suggested that in fact Tersa belongs in an artisan shop, whereas Xylent belongs in production.?
He goes on to gush about Tersa and all of its benefits, however the idea the segmented cutter heads belong in the garage only is just your opinion and one that even the self proclaimed Tersa aficionado Sam Blasco doesn¡¯t share.?
" Yep. There are lots of ways to view it. Both options are
great. I just don¡¯t think one is more cost effective than the other. I
can just turn one carbide segment if it gets chipped, Tersa is a quicker
wholesale swap."
Now that you've come round to realizing Tersa is a quicker swap-? it should make what I said earlier (or tried to) about Tersa being? cheaper the more you change your cutters pretty obvious. Your cutter edge savings with segments is pretty quickly eroded the more you swap edges because of the time suck involved in rotating an entire heads' worth of them.
And you don't have an option for questionable material with segments.? You run it and deal with the consequences.?
Yes, both are great options.? But I still stand my my original supposition that Tersa will be better /cheaper if you are in a production environment and frequently changing blades.?? Turning "one segment" is not where you're losing money.
? It's the turning of 50 to 100 of them !? The more often that occurs, the more the scale is tilted to Tersa.?? So? I'll re-iterate.......if you're a well healed garage warrior, or shop that occasionally process solid timber; segments will be cheaper because you likely won't reach the break even point the changeover labor of segments adds to the equation.?? Even cheaper than that will be reg. ol straight knives if you only change them once every 5-10 years.? Someone milling 1000's of board feet a week or month and changing blades frequently certainly should pay attention to how long a changeover is costing.? No money is being made while the machine is idle.
-- Dave & Marie Davies
318-219-7868
|
Next time I am tempted to write, I think I will ask the three Dave¡¯s to review prior to pushing send.
Well reasoned and insightful, David S.
toggle quoted message
Show quoted text
On May 15, 2023, at 11:41 AM, David Sabo via groups.io <sabo_dave@...> wrote:
?
Don't think it's a push at best.? From a total cost perspective it could be a clear winner.? It could also be a clear loser.? Like you said, it depends on the circumstances.? Which,? in this case is lots of teak with frequent knife changes.
Plenty of large scale facilities using plain straight knives too.? What's your point ?
Sam's piece / opinion doesn't really re-enforce your position.? He hedges by saying "probably" for each type of head and and shop.? Plus he doesn't broach the cost of either head, ever.? So it's really impossible to use his musings in a discussion on? "which is cheaper". ??
Furthermore - I? NEVER said segments only belong in a garage shop - nor is it my opinion.? Let's look at what I actually said:
" So? I'll re-iterate.......if you're a well healed garage warrior, or
shop that occasionally process solid timber; segments will be cheaper
because you likely won't reach the break even point the changeover labor
of segments adds to the equation."
I said segments will be CHEAPER for the garage shop because they are less likely to change blades and approach the cost savings in labor that Tersa affords.?? That's a big difference from saying it only belongs in a garage shop.? HUGE.?
It's a pretty simple math problem.?? The more you change blades and the higher your labor costs are , the cheaper Tersa becomes.? The less you change blades and the cheaper your labor is , the cheaper a Segment is.? This is true whether you're in a garage in rural Mississippi or a state of the art factory in California.
Another way to look at it to ask yourself why production lines of all types want to automate and replace humans with machines pretty much everywhere they can ?? Not because it's cool, but because it's cheaper at the end of the day.
D
On Monday, May 15, 2023 at 12:03:53 PM EDT, Andy <andy.raynor08@...> wrote:
I didn¡¯t ¡°come around¡± to your line of thinking. I challenged your assertion that Tersa is less expensive. You¡¯ve only gone ahead and proven that it¡¯s probably a push, from a cost perspective, unless under very specific?circumstances.
Also there are plenty of large scale production facilities that use segmented heads.?
Sam Blasco, noted Tersa advocate seems to take the exact opposite position as you. In the first paragraph of this article, he suggested that in fact Tersa belongs in an artisan shop, whereas Xylent belongs in production.?
He goes on to gush about Tersa and all of its benefits, however the idea the segmented cutter heads belong in the garage only is just your opinion and one that even the self proclaimed Tersa aficionado Sam Blasco doesn¡¯t share.?
" Yep. There are lots of ways to view it. Both options are
great. I just don¡¯t think one is more cost effective than the other. I
can just turn one carbide segment if it gets chipped, Tersa is a quicker
wholesale swap."
Now that you've come round to realizing Tersa is a quicker swap-? it should make what I said earlier (or tried to) about Tersa being? cheaper the more you change your cutters pretty obvious. Your cutter edge savings with segments is pretty quickly eroded the more you swap edges because of the time suck involved in rotating an entire heads' worth of them.
And you don't have an option for questionable material with segments.? You run it and deal with the consequences.?
Yes, both are great options.? But I still stand my my original supposition that Tersa will be better /cheaper if you are in a production environment and frequently changing blades.?? Turning "one segment" is not where you're losing money.
? It's the turning of 50 to 100 of them !? The more often that occurs, the more the scale is tilted to Tersa.?? So? I'll re-iterate.......if you're a well healed garage warrior, or shop that occasionally process solid timber; segments will be cheaper because you likely won't reach the break even point the changeover labor of segments adds to the equation.?? Even cheaper than that will be reg. ol straight knives if you only change them once every 5-10 years.? Someone milling 1000's of board feet a week or month and changing blades frequently certainly should pay attention to how long a changeover is costing.? No money is being made while the machine is idle.
|
Guys- take it outside.
In a pro shop cost is the least important variable for tooling like this.
The total system has to work for the material processing actually done and that fit will vary a great deal over application and shops.
There is a place for most professional grade systems, one is not universally?best.
One additional thing for the machinery I am looking for.
In my shop aluminum and plastics get run on the saw and J/P.
I¡¯d be interested to hear how folks with similar needs are faring with the Felder index heads.
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Re: Hammer cross cut fence coupling set
Here is an alternative. I have a K3 with a 1250 wagon. I only need 45- and 90 degrees for the crosscut fence. Nothing beats an accurately positioned stop. The original crosscut fence stop was replaced with an updated version ...  And the original stop now used for a 45-degree mitre ...  When not in use it is out of the way ...  Regards from Perth Derek
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Re: Update on Martin T32 Jointer/Planer
On the TP300, which should be extremely similar to the T32, it is only when the planer table is lowered to over 5.5 inches or so that the part as shown in the yellow area of the attached photo will not hit the planer table as you lower the flip up jointer tables. ?A nice feature for sure to be able to not have to lower the planer table to use it as a jointer.
As for high end JPs....?
.... the most interesting to me is the Hofmann (see links). ?I do not believe it is UL listed and I do not think one has never been sold in the United States (I could be mistaken). ?I have never seen one. ?However, interesting that it seems you can go from jointer to planer without raising the table.
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My Tersa is bigger than your Tersa.
David Best - via mobile phone
David Best - via mobile phone
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rodsheridan
PK
David P. Best
Jason Holtz
