Lead Screw
Lead screw assemblies for cost-effective linear motion, including metric trapezoidal thread forms.
Models
Series selection
Available Models
TR standard models — validated sample
Model
Leadmm
Plastic eff.%
Bronze eff.%
Dynamic loadN
Allowable thrustN
Static loadN
Tr 2 × 2
2
31
22
3000
3920
20200
Tr 4 × 3
3
37
27
2300
4900
16900
Tr 6 × 3
3
34
24
5200
6670
31500
Tr 8 × 4
4
38
27
6300
8730
42000
Tr 20 × 4
4
35
25
9800
9800
37200
Technical specifications
Technical specifications
Specifications
Configuration
Thread form
Metric trapezoidal
Manufacturing methods
Rolled / ground / cut
Thread direction
Right or left
Minimum catalog diameter
1.8 mm
Minimum catalog lead
0.1 mm
Materials
Screw materials
S45C / SCM415 / SUS304
Nut materials
Plastic / bronze / brass / steel / stainless steel
Efficiency fields
Plastic and bronze nut
Load fields
Dynamic / allowable thrust / static
Product information
Product information
Overview
The TR series is a metric trapezoidal lead screw family. The supplied catalog lists rolled, ground and cut manufacturing methods, along with material and direction options for the screw and matching nut.
The validated rows below demonstrate how efficiency and load data can coexist with dimensional model data in a reusable product structure.
Advantages
Simple and robust motion conversion
Multiple manufacturing methods
Several screw and nut material options
Right- or left-hand threads
Applications
Manual and powered adjustments
Industrial fixtures
General machinery
Cost-sensitive positioning systems
