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Linear Shafts One End Tapped

Linear Shafts One End Tapped
Check FAQ of this product (9 items)

MISUMI

MiSUMi Economy

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

  • RoHS

Part Number

Configured Part Number is shown.

Product Overview
 
Linear guide shafts are high-precision shaft products that can be used with linear bushings and other bushing-type products. They not only offer excellent wear resistance, but also provide a variety of additional machining options.
 
Dimensional Drawing
 
misumi Guide Shafts Introduction
 
 
Specification Overview
 
Type Material  Hardness Surface TreatmentD (mm)L (mm)
Standard
D Tolerance g7D Tolerance f8
E-SFJT-S45C or GCr15High Frequency Quenched
For effective hardening layer depth>>Refer to (PDF)
S45C or GCr15 55HRC～
SUS440C or high hardness corrosion resistant steel 53HRC~		-4~5020~1500
E-SSFJT-SUS440C or High hardness corrosion resistant steel
E-PSFJT-S45C or GCr15Hard Chrome Plated
Plating hardness: 750HV～
Plating thickness: 3μ or more
E-PSSFJT-SUS440C or High hardness corrosion resistant steel
-E-PSFGTS45C Equivalent-Hard Chrome Plated
Plating hardness: 750HV～
Plating thickness: 10μ or more
The shaft end processing section (effective thread length + approx. 10 mm) may experience reduced hardness due to the annealing effect of the processing.
If there are requirements for rust prevention, give priority to products with hard chrome plated surface treatment.
If used with linear bushings, please select products with high-frequency quenching.
O.D. 35, 40 and 50 are applicable only to E-PSFJT
O.D. 4 and 5 are not applicable to E-PSFGT
 
Alterations
 
AlterationsCodeSpec.
Change L Dimension Tolerance (Precision Grade)
MISUMI Guide Shaft Product Introduction		LKCSpecification Method LKC
When using LKC, the unit for specifying L dimension can be 0.1 mm
L<200 →L±0.03
200 ≤ L<500 →L±0.05
L ≥ 500 →L±0.1
Add 1 wrench slot machining


MISUMI Guide Shaft Product Introduction		SCSpecified Method SC5
 SC = Specified unit 1 mm
 SC+ℓ1 < L 
 SC = 0 or SC ≥ 1
Applicable Conditions D = 6 or above applicable
Cannot be used together with WSC
DWℓ1
658
87
108
121010
1311
1513
1614
DWℓ1
201710
2522
302715
3530
403620
5041
1 additional surface machining
MISUMI Guide Shaft Product Introduction		FCSpecification Method FC10-A8, FC10-E8
FC, A(E) = Specified unit 1 mm
D ≤ 30: FC ≤ 5 × D, D ≥ 35: FC ≥ 3 × D
When 1.5 × D<FC, FC ≤ L/2
A(E)=0 or A(E) ≥ 2
Cannot be used together with WFC
DH
3 to 50.5
6 to 161
20 to 402
503
2 additional flat surface machining locations
MISUMI Guide Shaft Product Introduction		WFCSpecification Method WFC10-A8-E20
WFC, A, E = specified unit 1 mm
D ≤ 30: WFC ≤ 5 × D, D ≥ 35: WFC ≥ 3 × D
When 1.5 × D<WFC, 2WFC ≤ L/2
A(E)=0 or A(E) ≥ 2
The two machined planes are not guaranteed to be on the same level and cannot be used together with FC
DH
3 to 50.5
6 to 161
20 to 402
503

When multiple alterations are selected, the machining parts need to be spaced by more than 2 mm. Click here
Additional processing may cause a decrease in hardness. Please refer to Click here
 
Precision Reference
 
■D Tolerance
D Tolerance
Dg7f8
4-0.004
-0.016		-
5
6-0.004
-0.016		-0.010
-0.028
8-0.005
-0.020		-0.013
-0.035
10
12-0.006
-0.024		-0.016
-0.043
13
15
16
20-0.007
-0.028		-0.020
-0.053
25
30
35-0.009
-0.034		-0.025
-0.064
40
50

■ Tolerance of L size (Y size)
Dimensions (Greater Than)Dimensions (To)Shaft tolerance g7
26±0.1
630±0.2
30120±0.3
120400±0.5
4001000±0.8
10001500±1.2
 
Specification Table
 

Part NumberL can be specified down to 1 mm incrementsM (Coarse Thread)
Selection
TypeDStandard
Standard
(D Tolerance g7)
E-SFJT
E-SSFJT
E-PSFJT
E-PSSFJT
(D Tolerance f8)
E-PSFGT		420 to 3002            
520 to 400 2.63          
620 to 800  3          
820 to 1000  345        
1020 to 1000  3456       
1220 to 1200   4568      
1325 to 1200   4568      
1525 to 1200   456810     
1630 to 1200   456810     
2030 to 1200   45681012    
2535 to 1200   4568101216   
3035 to 1500     6810121620 
3535 to 1500      8101216202420
4050 to 1500       101216202430
5065 to 1500       101216202430
Outer diameters 35, 40, and 50 are only applicable to E-PSFJT
Outer diameters 4 and 5 are not applicable to E-PSFGT
  
 
 
 
Product Features
 
Feature 1: Has high dimensional accuracy and is widely used in various precision equipment.
Feature 2: Uses bearing steel (45 or GCr15) with excellent wear resistance and SUS440C or high-hardness corrosion-resistant steel, which are high-frequency quenched to enhance wear resistance while maintaining original toughness.
Feature 3: Various additional processing options are available to meet different usage environments.
Feature 4: Usually used in combination with linear bushings products, it provides excellent linear guiding performance. Compared to conventional shaft and bushing structures, even during high-speed reciprocating motion, there is minimal wear.
Feature 5: Optional hard chrome plating provides excellent rust resistance, and the coating hardness reaches HV750. It will not be easily worn when used with high-hardness workpieces.
 
Precautions
 
MISUMI High Precision Straight Guide Shaft - Selection Catalog(2) Decreased hardness in the machined area
After quenching the base material, machining may cause some areas to lose hardness due to annealing:
- All external threads
- All steps
- Internal threads: When M ≥ D/2, double-hole internal thread type, hard chrome plated products made of SUS440C or high-hardness corrosion-resistant steel
- Additional processing for wrench slot (SC-WSC-SX)
- Additional processing for flat surface (FC-WFC)
- Additional processing for V-groove (VC-WVC)
- Except for full-length hardened type.
Only the shaded area of section D is hard chrome plated.
Guide Shaft Bushing, MISUMI Quality, Imported Japanese Stainless Steel Material

 

(3) Coating for Surface Treatment
After surface treatment of the base material, processing is performed. The following areas are not plated:
- Grooved section
-External thread section
-Internal thread section
-Wrench slot, V-groove, flat surface, cut surface
-The inside of the pipe-type guide shaft is not hard chrome plated and may rust.
 
Example of Use
 
Standard Linear Motion Mechanism
Example Image
MISUMI Guide Shafts Full Range of Selections
Functions of Standard Linear Motion Mechanisms
(1) Using two guide shafts in parallel effectively prevents workpiece rotation
(2) Improves the accuracy and load capacity of linear motion.
(3) High-speed reciprocating motion can be achieved through the combination of guide shafts and linear bushings.
(4) Lower running resistance, resulting in less wear on the corresponding workpiece.
Actual Product Image
Direct-from-Manufacturer MISUMI Guide Shafts Larger Image
Function of Key Components in the Mechanism
Guide Shaft: Supports the workpiece and, when used with linear bushings, provides a guiding function. For details, click here
Linear bushing: Uses a ball circulation structure to move the workpiece along the guide shaft. For details, click here
Guide Shaft Support: Supports and secures the guide shaft, effectively adjusts shaft spacing, and enhances equipment stability. For more details, click here
Stopper: Serves as a limit, used to adjust the effective stroke of the mechanism. For details, click here
 
Application Industries
 
Medical Semiconductor Electronic & Electrical Appliances
MISUMI High Frequency Quenched Shafts Selection Manufacturer MISUMI Guide Shafts Details Introduction Direct-from-Manufacturer Hollow Shafts for Sliding MISUMI Model
Smart phone Food Automotive
LINEAR SHAFT Rigid Shafts Drawing Custom Size Hollow Shafts Chrome Plated Bar Dimensional Drawing Dedicated Linear Hollow Shafts Bearing Steel Stainless Steel Full Range of Models
 
Related Products
 
Linear Bushing Standard type Straight type Bearing with Housing T-Shaped Shaft Collar Slit
Stainless Steel Rigid Shafts Chrome Plated Bar Machining misumi Linear Hollow Shafts Sales MISUMI Guide Shafts Introduction Linear Guide Shafts Unit Mechanism Design Selection
Typical model: LMU8 Typical model: BGHK6000ZZ-30 Typical model: SCS8-10
 
Related Documents
 
Anti-rust performance of metal materials and surface treatment Click here

Part Number 

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Part Number
E-PSFGT6-[20-600/1]-M3
E-PSFGT8-[20-800/1]-M[3,​4,​5]
E-PSFGT10-[20-800/1]-M[3,​4,​5,​6]
E-PSFGT10-[20-800/1]-MD6
E-PSFGT12-[20-1000/1]-M[4,​5,​6,​8]
E-PSFGT12-[20-1000/1]-MD[6,​8]
E-PSFGT12-[20-1000/1]-MSC8
E-PSFGT13-[25-1000/1]-M[4,​5,​6,​8]
E-PSFGT13-[25-1000/1]-MD[6,​8]
E-PSFGT13-[25-1000/1]-MSC8
E-PSFGT15-[25-1000/1]-M[4,​5,​6,​8,​10]
E-PSFGT15-[25-1000/1]-MD[6,​8,​10]
E-PSFGT15-[25-1000/1]-MSC[8,​10]
E-PSFGT16-[30-1200/1]-M[4,​5,​6,​8,​10]
E-PSFGT16-[30-1200/1]-MD[6,​8,​10]
E-PSFGT16-[30-1200/1]-MSC[8,​10]
E-PSFGT20-[30-1200/1]-M[4,​5,​6,​8,​10,​12]
E-PSFGT20-[30-1200/1]-MD[6,​8,​10,​12]
E-PSFGT20-[30-1200/1]-MSC[8,​10,​12,​14]
E-PSFGT25-[35-1200/1]-M[4,​5,​6,​8,​10,​12,​16]
E-PSFGT25-[35-1200/1]-MD[6,​8,​10,​12,​16]
E-PSFGT25-[35-1200/1]-MSC[8,​10,​12,​14,​18]
E-PSFGT30-[35-1500/1]-M[6,​8,​10,​12,​16,​20]
E-PSFGT30-[35-1500/1]-MD[6,​8,​10,​12,​16,​20]
E-PSFGT30-[35-1500/1]-MSC[8,​10,​12,​14,​18]
E-PSFJT4-[20-300/1]-M2
E-PSFJT5-[25-400/1]-M3
E-PSFJT6-[20-600/1]-M3
E-PSFJT8-[20-800/1]-M[3,​4,​5]
E-PSFJT10-[20-800/1]-M[3,​4,​5,​6]
E-PSFJT12-[20-1000/1]-M[4,​5,​6,​8]
E-PSFJT13-[25-1000/1]-M[4,​5,​6,​8]
E-PSFJT15-[30-1200/1]-M[4,​5,​6,​8,​10]
E-PSFJT16-[30-1200/1]-M[4,​5,​6,​8,​10]
E-PSFJT20-[30-1200/1]-M[4,​5,​6,​8,​10,​12]
E-PSFJT25-[35-1200/1]-M[4,​5,​6,​8,​10,​12,​16]
E-PSFJT30-[35-1500/1]-M[6,​8,​10,​12,​16,​20]
E-PSFJT35-[35-1500/1]-M[8,​10,​12,​16,​20,​24]
E-PSFJT40-[40-1500/1]-M[10,​12,​16,​20,​24,​30]
E-PSFJT50-[50-1500/1]-M[12,​16,​20,​24,​30]
E-SFJT4-[20-300/1]-M2
E-SFJT5-[20-400/1]-M[2.6,​3]
E-SFJT6-[20-800/1]-M3
E-SFJT8-[20-1000/1]-M[3,​4,​5]
E-SFJT10-[20-1000/1]-M[3,​4,​5,​6]
E-SFJT10-[20-1000/1]-MD6
E-SFJT12-[20-1200/1]-M[4,​5,​6,​8]
E-SFJT12-[20-1200/1]-MD[6,​8]
E-SFJT12-[20-1200/1]-MSC8
E-SFJT13-[25-1200/1]-M[4,​5,​6,​8]
E-SFJT13-[25-1200/1]-MD[6,​8]
E-SFJT13-[25-1200/1]-MSC8
E-SFJT15-[25-1200/1]-M[4,​5,​6,​8,​10]
E-SFJT15-[25-1200/1]-MD[6,​8,​10]
E-SFJT15-[25-1200/1]-MSC[8,​10]
E-SFJT16-[30-1200/1]-M[4,​5,​6,​8,​10]
E-SFJT16-[30-1200/1]-MD[6,​8,​10]
E-SFJT16-[30-1200/1]-MSC[8,​10]
E-SFJT20-[30-1200/1]-M[4,​5,​6,​8,​10,​12]
E-SFJT20-[30-1200/1]-MD[6,​8,​10,​12]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipMaterial Heat Treatment Surface Treatment Shaft Dia. D
(Ø) 		Length L
(mm) 		Shaft Fit Tolerance Tapped M (Coarse Thread)
(mm) 		Changes tapped thread to fine one [MSC]
(mm) 		MD
(mm)

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating620 ～ 600f83--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating820 ～ 800f83 ～ 5--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1020 ～ 800f83 ～ 6--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1020 ～ 800f8--6

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1220 ～ 1000f84 ～ 8--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1220 ～ 1000f8--6 ～ 8

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1220 ～ 1000f8-8-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1325 ～ 1000f84 ～ 8--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1325 ～ 1000f8--6 ～ 8

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1325 ～ 1000f8-8-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1525 ～ 1000f84 ～ 10--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1525 ～ 1000f8--6 ～ 10

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1525 ～ 1000f8-8 ～ 10-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1630 ～ 1200f84 ～ 10--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1630 ～ 1200f8--6 ～ 10

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating1630 ～ 1200f8-8 ～ 10-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2030 ～ 1200f84 ～ 12--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2030 ～ 1200f8--6 ～ 12

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2030 ～ 1200f8-8 ～ 14-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2535 ～ 1200f84 ～ 16--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2535 ～ 1200f8--6 ～ 16

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating2535 ～ 1200f8-8 ～ 18-

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating3035 ～ 1500f86 ～ 20--

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating3035 ～ 1500f8--6 ～ 20

-

1 Piece(s) 7 Day(s) [Steel] S45CNot ProvidedHard Chrome Plating3035 ～ 1500f8-8 ～ 18-

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating420 ～ 300g72--

-

2 Piece(s) 10 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating525 ～ 400g73--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating620 ～ 600g73--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating820 ～ 800g73 ～ 5--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating1020 ～ 800g73 ～ 6--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating1220 ～ 1000g74 ～ 6--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating1325 ～ 1000g74 ～ 6--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating1530 ～ 1200g74 ～ 10--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating1630 ～ 1200g74 ～ 10--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating2030 ～ 1200g74 ～ 12--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating2535 ～ 1200g74 ～ 16--

-

1 Piece(s) 5 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating3035 ～ 1500g76 ～ 20--

-

2 Piece(s) 10 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating3535 ～ 1500g7---

-

2 Piece(s) 10 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating4040 ～ 1500g710 ～ 30--

-

2 Piece(s) 10 Day(s) [Steel] S45C or GCr15Induction HardenedHard Chrome Plating5050 ～ 1500g712 ～ 30--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided420 ～ 300g72--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided520 ～ 400g72.6 ～ 3--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided620 ～ 800g73--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided820 ～ 1000g73 ～ 5--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1020 ～ 1000g73 ～ 6--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1020 ～ 1000g7--6

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1220 ～ 1200g74 ～ 8--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1220 ～ 1200g7--6 ～ 8

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1220 ～ 1200g7-8-

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1325 ～ 1200g74 ～ 8--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1325 ～ 1200g7--6 ～ 8

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1325 ～ 1200g7-8-

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1525 ～ 1200g74 ～ 10--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1525 ～ 1200g7--6 ～ 10

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1525 ～ 1200g7-8 ～ 10-

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1630 ～ 1200g74 ～ 10--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1630 ～ 1200g7--6 ～ 10

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided1630 ～ 1200g7-8 ～ 10-

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided2030 ～ 1200g74 ～ 12--

-

1 Piece(s) 7 Day(s) [Steel] S45C or GCr15Induction HardenedNot Provided2030 ～ 1200g7--6 ～ 12

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Basic Information

Basic Shape Solid End Shape (Left) Tapped End Shape (Right) No Machining
Shaft End Perpendicularity Perpendicularity (0.2) Precision Standard

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Specification/Dimensions

  • Heat Treatment

    • Not Provided
    • Induction Hardened

    Clear

  • Surface Treatment

    • Not Provided
    • Hard Chrome Plating

    Clear

  • Shaft Dia. D(Ø)

    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 13
    • 15
    • 16
    • 20
    • 25
    • 30
    • 35
    • 40
    • 50

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  • Length L(mm)

     [20-1500/1mm Unit(s)]

    Clear

  • Shaft Fit Tolerance

    • f8
    • g7

    Clear

  • Tapped M (Coarse Thread)(mm)

    • 2
    • 2.6
    • 3
    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 16
    • 20
    • 24
    • 30

    Clear

  • Changes tapped thread to fine one [MSC](mm)

    • 8
    • 10
    • 12
    • 14
    • 18

    Clear

  • MD(mm)

    • 6
    • 8
    • 10
    • 12
    • 16
    • 20

    Clear

  • type

    • E-PSFGT
    • E-PSFJT
    • E-PSSFJT
    • E-SFJT
    • E-SSFJT

    Clear

  • Material

    • Steel
      • S45C
      • S45C or GCr15
    • Stainless Steel
      • SUS440C or Equivalent

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 5 Day(s) or Less
    • 7 Day(s) or Less
    • 10 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: Why did the stainless steel guide shaft product rust?
Answer: The stainless steel material used for the guide shaft is SUS440C or an equivalent high-hardness corrosion-resistant steel. After quenching, it has good wear resistance, but the material itself has relatively weak corrosion resistance. Therefore, if you require a high level of rust prevention, please choose products with a hard chrome plated surface treatment.
Question: The catalog lists guide shaft products as having high hardness, so why is the hardness measured at the center of the end face so low?
Answer: The guide shaft uses high-frequency quenching heat treatment, which forms a certain depth of hardened layer on the outer cylindrical surface of the guide shaft. To ensure the product's toughness, the center of the guide shaft retains the original hardness of the material.
Question: What are the advantages of combining guide shafts with linear bearings?
Answer: The guide shaft, in combination with the linear bearing through rolling friction, enables high-precision linear motion without causing excessive frictional resistance to the workpiece, making it suitable for long-term continuous operation.
Question: If you need a shaft product with a length of 100.5 mm, how do you select the model?
Answer: Additional machining by LKC is available; the total length can be specified in 0.1 mm increments.
Question: Why do the ends of guide shafts with hard chrome plating rust?
Answer: The guide shaft undergoes surface treatment during raw material production, and is then cut to length. No additional surface treatment is performed after cutting, so the cut ends do not have a hard chrome plating, which may cause the ends to rust.
Question: When the guide shaft and linear bearing are used together, some are closely matched, but some have relatively large clearance. Does it affect the use?
Answer: The guide shaft and linear bearing are in point contact and rolling fit through the circulating steel ball structure. Because of point contact and non-interference fit, it is normal to have clearance between the shaft and the bearing, which will not affect the use. The use of this structure greatly reduces the friction resistance and prolongs the service life of the workpiece.
Question: Is MISUMI's stainless steel guide shaft material imported?
Answer: MISUMI guide shafts are made from bearing steel (SUJ2) and stainless steel (SUS440C), both of which are imported from Japan.
Question: I would like to know the inspection methods and specification accuracy for the straightness of guide shafts.
Answer: Support both ends of the guide shaft with V-blocks, rotate the shaft one full turn at any point, and measure the dial gauge's runout. Half of the amplitude measurement is the straightness. Straightness may vary depending on the outer diameter and length.
Question: What is the perpendicularity accuracy of the guide shaft?
Answer: The perpendicularity of the standard type guide shaft is 0.2, and the perpendicularity of the precision type is 0.03.

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