China Machined Trapezoidal Leadscrew, Power Screw, Translation Screw. Left and Right Hand Screws, Split Nut, Half Nut,, Find details about China Trapezoidal Leadscrews, Ball Screw from Machined Trapezoidal Leadscrew, Power Screw, Translation Screw. Left and Right Hand Screws, Split Nut, Half Nut,
The advantages of a leadscrew are:
Nominal diameter D (mm) | Pitch P (mm) | Nominal diameter D (mm) | Pitch P (mm) | ||||
---|---|---|---|---|---|---|---|
1st choice | 2nd choice | Coarse | Fine | 1st choice | 2nd choice | Coarse | Fine |
1 | 0.25 | 0.2 | 16 | 2 | 1.5 | ||
1.2 | 0.25 | 0.2 | 18 | 2.5 | 2 or 1.5 | ||
1.4 | 0.3 | 0.2 | 20 | 2.5 | 2 or 1.5 | ||
1.6 | 0.35 | 0.2 | 22 | 2.5 | 2 or 1.5 | ||
1.8 | 0.35 | 0.2 | 24 | 3 | 2 | ||
2 | 0.4 | 0.25 | 27 | 3 | 2 | ||
2.5 | 0.45 | 0.35 | 30 | 3.5 | 2 | ||
3 | 0.5 | 0.35 | 33 | 3.5 | 2 | ||
3.5 | 0.6 | 0.35 | 36 | 4 | 3 | ||
4 | 0.7 | 0.5 | 39 | 4 | 3 | ||
5 | 0.8 | 0.5 | 42 | 4.5 | 3 | ||
6 | 1 | 0.75 | 45 | 4.5 | 3 | ||
7 | 1 | 0.75 | 48 | 5 | 3 | ||
8 | 1.25 | 1 or 0.75 | 52 | 5 | 4 | ||
10 | 1.5 | 1.25 or 1 | 56 | 5.5 | 4 | ||
12 | 1.75 | 1.5 or 1.25 | 60 | 5.5 | 4 | ||
14 | 2 | 1.5 | 64 | 6 | 4 |
Nominal diameter D (mm) | Pitch P (mm) | Nominal diameter D (mm) | Pitch P (mm) | ||||
---|---|---|---|---|---|---|---|
1st choice | 2nd choice | Coarse | Fine | 1st choice | 2nd choice | Coarse | Fine |
1 | 0.25 | 0.2 | 16 | 2 | 1.5 | ||
1.2 | 0.25 | 0.2 | 18 | 2.5 | 2 or 1.5 | ||
1.4 | 0.3 | 0.2 | 20 | 2.5 | 2 or 1.5 | ||
1.6 | 0.35 | 0.2 | 22 | 2.5 | 2 or 1.5 | ||
1.8 | 0.35 | 0.2 | 24 | 3 | 2 | ||
2 | 0.4 | 0.25 | 27 | 3 | 2 | ||
2.5 | 0.45 | 0.35 | 30 | 3.5 | 2 | ||
3 | 0.5 | 0.35 | 33 | 3.5 | 2 | ||
3.5 | 0.6 | 0.35 | 36 | 4 | 3 | ||
4 | 0.7 | 0.5 | 39 | 4 | 3 | ||
5 | 0.8 | 0.5 | 42 | 4.5 | 3 | ||
6 | 1 | 0.75 | 45 | 4.5 | 3 | ||
7 | 1 | 0.75 | 48 | 5 | 3 | ||
8 | 1.25 | 1 or 0.75 | 52 | 5 | 4 | ||
10 | 1.5 | 1.25 or 1 | 56 | 5.5 | 4 | ||
12 | 1.75 | 1.5 or 1.25 | 60 | 5.5 | 4 | ||
14 | 2 | 1.5 | 64 | 6 | 4 |
Material combination | Starting {\displaystyle \mu _{c}} | Running {\displaystyle \mu _{c}} |
---|---|---|
Soft steel / cast iron | 0.17 | 0.12 |
Hardened steel / cast iron | 0.15 | 0.09 |
Soft steel / bronze | 0.10 | 0.08 |
Hardened steel / bronze | 0.08 | 0.06 |