17.12.2012 Views

General Design Principles for DuPont Engineering Polymers - Module

General Design Principles for DuPont Engineering Polymers - Module

General Design Principles for DuPont Engineering Polymers - Module

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table 10.01<br />

Self-Threading Screw Per<strong>for</strong>mance in Zytel ®<br />

69<br />

Type A Screw No.<br />

6 7 8 9 10 14<br />

Screw<br />

Ds mm 3.6 4 4.3 4.9 5.6 6.5<br />

in 0.141 0.158 0.168 0.194 0.221 0.254<br />

ds mm 2.6 2.9 3.1 3.4 4.1 4.7<br />

Hub<br />

in 0.096 0.108 0.116 0.126 0.155 0.178<br />

Dh mm 8.9 10 10.8 12.2 14 16.2<br />

in 0.348 0.394 0.425 0.480 0.550 0.640<br />

dh mm 2.9 3.3 3.5 4.1 4.7 5.5<br />

Pull-out Load*<br />

in 0.114 0.130 0.138 0.162 0.185 0.217<br />

Zytel ® 101 kg 225 325 385 430 510 640<br />

lb 495 715 848 947 1123 1409<br />

Zytel ® 70G 33 L kg 230 320 350 390 485 620<br />

Stripping Torque*<br />

lb 506 704 770 859 1068 1365<br />

Zytel ® 101 cm kg 16 25 36 50 70 100<br />

ft Ib 1.2 1.8 2.6 3.6 5.1 7.2<br />

Zytel ® 70G 33 L cm kg 25 35 48 63 80 100<br />

ft lb 1.8 2.5 3.5 4.6 5.8 7.2<br />

*Based on parts conditioned to equilibrium at 50% RH<br />

D s<br />

d s<br />

D h<br />

Table 10.02<br />

Self-Threading Screw Per<strong>for</strong>mance in Delrin ®<br />

Screw No. 6 7 8 10 12 14<br />

mm<br />

Ds in<br />

3.6<br />

0.141<br />

4<br />

0.158<br />

4.3<br />

0.168<br />

4.9<br />

0.194<br />

5.6<br />

0.221<br />

6.5<br />

0.254<br />

mm<br />

ds in<br />

2.6<br />

0.096<br />

2.9<br />

0.108<br />

3.1<br />

0.116<br />

3.4<br />

0.126<br />

4.1<br />

0.155<br />

4.7<br />

0.173<br />

mm<br />

Dh in<br />

8.9<br />

0.348<br />

10<br />

0.394<br />

10.8<br />

0.425<br />

12.2<br />

0.480<br />

14<br />

0.550<br />

16.2<br />

0.640<br />

-<br />

mm<br />

dh in<br />

2.9<br />

0.114<br />

3.3<br />

0.130<br />

3.5<br />

0.138<br />

4.1<br />

0.162<br />

4.7<br />

0.185<br />

5.5<br />

0.217<br />

Delrin ® 500 NC-10 N 3100 3800 4500 5250 6500 9000<br />

lb 682 838 991 1156 1431 1982<br />

Delrin ® 570 N 3050 3600 4250 4950 6000 8300<br />

lb 671 792 936 1090 1321 1828<br />

Delrin ® 500 NC-10 J 2.5 3.5 4.6 5.8 7.5 11.2<br />

ft Ib 1.8 2.5 3.3 4.2 5.4 8.1<br />

Delrin ® dh 570 J 2.5 3.5 4.7 6.2 8.2 12.0<br />

ft Ib 1.8 2.5 3.4 4.5 5.9 8.7

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!