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Re: Emco maximat v 13 thread dial indicator chart

 

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Vedran,

Both are correct as you need a multiple of 2, which is present in 14/1 and in 16/4.

Here is the output of my calculator which shows why 16/4 is better than 14/1, time-wise:

Gearset [14, 15, 16], leadscrew=3mm

0.2???????????? no thread dial needed
0.25??????????? no thread dial needed
0.3???????????? no thread dial needed
0.35?????????? 14T gear and dial with 2 divisions @240rpm = every? 15.0s
0.4??????????? 16T gear and dial with 4 divisions @240rpm = every?? 7.5s
0.4? option 2? 14T gear and dial with 1 divisions @240rpm = every? 26.2s
0.45?????????? 15T gear and dial with 5 divisions @240rpm = every?? 5.0s
0.5???????????? no thread dial needed
0.6???????????? no thread dial needed
0.7??????????? 14T gear and dial with 2 divisions @240rpm = every?? 7.5s
0.75??????????? no thread dial needed
0.8??????????? 16T gear and dial with 4 divisions @240rpm = every?? 3.8s
1?????????????? no thread dial needed
1.25?????????? 15T gear and dial with 3 divisions @240rpm = every?? 3.0s
1.5???????????? no thread dial needed
1.75?????????? 14T gear and dial with 2 divisions @240rpm = every?? 3.0s
2????????????? 16T gear and dial with 4 divisions @240rpm = every?? 1.5s
2??? option 2? 14T gear and dial with 1 divisions @240rpm = every?? 5.2s
2.5??????????? 15T gear and dial with 3 divisions @240rpm = every?? 1.5s
3?????????????? no thread dial needed
3.5??????????? 14T gear and dial with 2 divisions @240rpm = every?? 1.5s
4????????????? 16T gear and dial with 4 divisions @240rpm = every?? 0.8s
-----

Gearset [14, 15, 16], leadscrew=6mm

0.2???????????? no thread dial needed
0.25??????????? no thread dial needed
0.3???????????? no thread dial needed
0.35?????????? 14T gear and dial with 2 divisions @240rpm = every? 30.0s
0.4???????????? no thread dial needed
0.45?????????? 15T gear and dial with 5 divisions @240rpm = every? 10.0s
0.5???????????? no thread dial needed
0.6???????????? no thread dial needed
0.7??????????? 14T gear and dial with 2 divisions @240rpm = every? 15.0s
0.75??????????? no thread dial needed
0.8??????????? 16T gear and dial with 4 divisions @240rpm = every?? 7.5s
0.8? option 2? 14T gear and dial with 1 divisions @240rpm = every? 26.2s
1?????????????? no thread dial needed
1.25?????????? 15T gear and dial with 3 divisions @240rpm = every?? 6.0s
1.5???????????? no thread dial needed
1.75?????????? 14T gear and dial with 2 divisions @240rpm = every?? 6.0s
2?????????????? no thread dial needed
2.5??????????? 15T gear and dial with 3 divisions @240rpm = every?? 3.0s
3?????????????? no thread dial needed
3.5??????????? 14T gear and dial with 2 divisions @240rpm = every?? 3.0s
4????????????? 16T gear and dial with 4 divisions @240rpm = every?? 1.5s
4??? option 2? 14T gear and dial with 1 divisions @240rpm = every?? 5.2s
-----

Bo?o

On 1. 4. 25 01:54, Vedran via groups.io wrote:


NOTE, however that 3mm calculator doesn't completely agree with Emco table, for instance, calculator claims 0.4 can be cut with 14T gear, while Emco table says you have to use 16T. One of them must be wrong but I don't know which one. Thread carefully - pun intended :)
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