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essemtec
2008-10-02

essemtec has developped a special nozzle for SMT Silicone Keys

[ Read more... ]
 

Snap

Snap or tactile ratio is calculated by following formula: Snap = (F1-F2)/F1*100%

SnapF 1 < 2.5 NF 1 > 2.5 N
weak30 %20 %
medium40 %30 %
good50 %40 %
very high60 %50 %

Not every combination of actuation force, stroke and snap is possible. The following table provides you a very rough overview of combinations:

 

 

Snap

Act. force

Stroke

Low

Recommended

High

1-0-2.0

1.20

15%

40%

60%

1.40

35%

50%

65%

1.60

55%

60%

70%

2.0-3.0

1.20

20%

35%

40%

1.40

20%

40%

50%

1.60

30%

50%

60%

3.0-4.0

1.40

15%

25%

30%

1.60

30%

35%

40%

1.80

40%

45%

50%

4.0-5.0

1.40

10%

15%

20%

1.60

25%

30%

35%

1.80

35%

40%

45%

You can adjust your Snap in increments of 5% for Customized Prototypes. 

 
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