Convex Linear Motion Spline

Convex Linear Motion Spline
Convex Linear Motion Spline
Convex Linear Motion Spline
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The GJZ convex linear motion spline features a long service life and high hardness. Its spline bearing is made of HRC58 quenched alloy steel and its spline nut is made of HRC58 quenched alloy steel or alloy structural steel that is carburized and quenched. The convex linear motion spline uses zero clearance or even interference fit in the rotational direction, so operation in high speed straight motion and rotation is achievable. As rolls of balls are held by the retainer, balls will not fall even if the spline shaft is pulled out of the spline nut. The spline has compact structure and is easy to assemble.

The GJZ convex linear motion spline is designed with cylinder spline nut. Its spline shaft has three crests equidistantly spaced at 120 degrees. On both side of each crest, two rolls of balls are arranged to hold the crest from both sides. There are six rolls of balls in total.

The convex linear motion spline is used in a wide array of application such as spindle of spot welding machine, tool post, indexing shaft, arms of industrial robot, automatic loader, measuring instrument, main shaft of automatic plotting machine, wire winder, and main shaft of packaging machine.

Technical Specifications of the GJZ Convex Linear Motion Spline (Unit: mm)
Model Nominal Shaft Diameter d0 Outer Diameter D Spline Nut Length L1 Max. Shaft Length L Groove Width b Groove Depth t Groove Length l Lubrication Hole Diameter d Basic Torque Rating
Dynamic Torque CT (Nm) Static Torque COT (Nm)
GJZ15 15 0 23 -0.013 0 40 -0.3 300 3.5HB 0 2 -0.3 20 2 27 45
GJZ20 20 0 30 -0.013 0 50 -0.3 500 4HB +0.1 2.5 0 26 3 64 90
GJZ25 25 0 38 -0.016 0 60 -0.3 700 5HB +0.2 3 0 36 3 134 184
GJZ30 30 0 45 -0.016 0 70 -0.3 1000 6HB +0.2 3 0 40 3 238 317
GJZ32 32 0 48 -0.016 0 70 -0.3 1000 8HB +0.2 4 0 40 3 238 317
GJZ40 40 0 60 -0.019 0 90 -0.3 1200 10HB +0.2 5 0 56 4 523 670
GJZ50 50 0 75 -0.019 0 100 -0.3 1400 14HB +0.2 5.5 0 60 4 956 1146

YiGong is a professional convex linear motion spline manufacturer based in China. We offer a wide range of products, including linear motion bushing, mini ball screw, CNC aluminum alloy worktable, and much more.

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