Page 348 - MISUMI SINGAPORE Economy Series

Economy series Product Overview
Linear Shaft

QAccuracy Standards

· Circularity, Straightness, L Dimension Accuracy · Straightness measurement method
2 M - K D Shaft ends are supported on V-blocks and 2
turned 360 degrees to measure shaft runout
Linear Guides / Linear Bushings / Ball Splines / Oil Free Bushings · D Section Circularity Medium precision h8 · Straightness is defined as the straightness. Medium precision h8 Ball Splines / Oil Free Bushings Linear Guides / Linear Bushings /
using a dial indicator. 1/2 of measured runout
L

Shaft Dia. (>) Shaft Dia. (to) Standard product g6 Economy Series g7
Economy Series g7
Shaft Dia. Overall Length Standard product g6
-
≤100
0.012
0.004
0.012
0.012
0.004
10 2 5 10 5 0.004 0.012 0.012 3·4 >100 (L/100)×0.05 or Less (L/100)×0.05 or Less -
13
≤100
(L/100)×0.03 or Less
0.016
18
0.016
0.005
13
(L/100)×0.05 or Less
5
Miniature Linear Guides 18 20 0.005 0.016 0.016 6~50 >100 (L/100)×0.01 or Less (L/100)×0.025 or Less (L/100)×0.025 or Less Linear Guides Miniature
0.025 or Less
0.025 or Less
≤100
0.01 or Less
40
0.020
0.020
0.006
20
0.007
50
>100
-
0.020
40
P.309 · L Dimension Tolerances · Perpendicularity P.309
Dimension (>) Dimension (to) Standard product g6 Economy Series g7 Medium precision h8
Linear Guides for Medium and Heavy Load 120 120 ±0.1 D Medium and Heavy Load Linear Guides for
2
6
6
30
±0.2
30
±0.3
±0.5
400
±0.8
1000
400
P.321 *The medium precision products will be discontinued in July 2024, 0.2 P.321
±1.2
1500
1000
Cross Roller Guides QSurface Hardness·Surface Treatment Standard Guides Cross Roller
and the economy series can be used for replacement.
P.337 · Surface Hardness · Reduced Hardness around Machined Areas P.337
Linear Guide Shafts O.D. (D) Shaft Tolerance g7 (Economy series) Effective hardening layer depth are case hardened. In the example below, annealing caused by machining Shafts Linear Guide
Effective hardening layer depth of the quenching shaft
Surface Treatment Plating Layers Machining is applied after base materials
Shaft Tolerance g6
may result in reduced hardness of the machined area + 10mm fore and after.
SUS440C or equivalent
GB: Equivalent to 45
Equivalent to SUJ2 high-hardness corrosion
JIS: Equivalent to S45C
hardness due to annealing are:
P.341 3 4 resistant steel The parts that may be reduced in P.341
5 or More 0.3 or More 0.5 or More 0.5 About 10 About 10 About 10 · Female thread: when M≥D/2
6~10
Linear Bushings 15~20 or More 0.5 or More 0.7 or More 0.5 · Wrench flat alteration (SC·WSC·SX) Bushings Linear
12·13
· Set Screw Flat alteration (FC·WFC)
or More 0.7
or More 1.0
or More 0.8
25~50
→ Same for medium precision products
P.349 P.349
Ball Spline Machining is applied after base materials D No electroplating treatment is applied to the following parts. Ball Spline
· Plating of surface treatment
are surface treated.
· Groove part
is hard chrome plated.
P.386 In the example on the right only part D · Female thread part P.386
· Wrench flat, set screw flat, and cut section
Oil Free Bushings Bushings Oil Free
P.409 P.409
Shaft Supports Shaft Collars Shaft Collars Shaft Supports
P.430 P.430
343