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Bushings For Locating Pins - Shouldered, Press Fit Easy Mounting

Product Overview of Bushings for Fixtures

The economy series Bushings for Fixtures is a mechanical positioning part that is used in conjunction with a positioning pin to achieve a guiding effect. The shouldered press-fit type is widely used, and the shoulder contacts the workpiece,effectively controlling the installation position.And it can effectively prevent the rapid wear of the workpiece. It is an economy series product from MISUMI.

Product Feature of Bushings for Fixtures

Features and usage outline of Bushings for Fixtures product Jig Bushings Shoulder Standard
Feature 1: Fixture bushing Shouldered press-fit type can support the body through the shoulder, and is suitable for applications where it is difficult to adjust the hole depth, press-fit installation, outer diameter press-fit dimensiontolerance: M7.
Feature 2: Bushings for Fixtures low cost and stock models can be shipped on the same day.
Feature 3: Bushings for Fixtures auxiliary line can be used for reference during press-fit installation to ensure smooth bushing installation.
Feature 4: material: bearing steel (SUJ2).

Dimensional Drawing of Bushings for Fixtures

Fixture bushing dimensional drawing and diagram
Fixture bushing dimensional drawing and diagramThe inner diameter tolerance of bushing is high. If a vernier caliper is used for detection, the measurement result will be too small. It is recommended to use ahigh-precision measuring tool (internal micrometer or plug gauge, etc.) for detection.

Specifications Overview of Bushings for Fixtures

■ Material Specification Table
Type of Bushings for FixturesBushings for Fixtures Material MaterialBushings for Fixtures Surface Treatment Surface TreatmentBushings for Fixtures Hardness Hardness
m7
C-JBHMEquivalent to SUJ2-58HRC~
Bushings for FixturesIf there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating on other pages.
Bushings for FixturesThe inner diameter tolerance of bushing is high. If a vernier caliper is used for detection, the measurement result will be too small. It is recommended to use ahigh-precision measuring tool (internal micrometer or plug gauge, etc.) for detection.

Example Use of Bushings for Fixtures

Example of using bushing for positioning pin and example of fixture
Example introduction: Bushings for Fixtures positioning pin in pick and place mechanism
Design summary:
① An example of using a swing cylinder to achieve linear and rotary motion through pneumatic drive, and moving a small substrate through a suction cup.
② In the case of a long pin, if the air vent is not provided, the pin and bushing are not easy to pull out. It is necessary to provide a air vent on the bushing side or the positioning pin side.
Intended use of Bushings for Fixtures:
The axial structure of the swing cylinder can ensure positioning accuracy while saving space through the coordination of positioning pins/shouldered bushings.
 

Application Industries of Bushings for Fixtures

Lithium battery Smart phone Electronic & Electrical Appliances
Guide bushing in lithium battery manufacturing Straight positioning pin bushing is used in smart phone manufacturing Bushings are inseparable from 3C electronic and electrical appliances manufacturing
Semiconductor Medical Food
Fixture bushings can be used in semiconductor industry Usage diagrams of bushings in medical and pharmaceutical industries Application of bushing for positioning pin in food industry

Related Products of Bushings for Fixtures

Mounting position adjusting type Bushings for Fixtures Adhesive shouldered Press-fit type convenient positioning Bushings for Fixtures Straight type Mounting position adjusting type Bushings for Fixtures Adhesive straight type
Low-price straight steel sheath Low-cost stepped guide bushing Preferential adhesive type bushing
Recommended model: C-JBHG6-8 Recommended model: C-JBAM10-15 Recommended model: C-JBAG10-15

Specification Table of Bushings for Fixtures

Bushings for Fixtures Part Number (Bushings for FixturesType·Bushings for Fixturesd)-Bushings for FixturesL
 C-JBHM5-8

■ Dimension Specification Table
Part NumberBushings for FixturesL SelectionDD ToleranceHWall Thickness
(N)
TR
Bushings for FixturesType of Bushings for FixturesBushings for Fixturesdd Tolerancem7
F7
Economy Series Shouldered Type
(m7)
C-JBHM
4+0.022
+0.010
56    8+0.021
+0.006
12231
556    10142.5
65681012152
8+0.028
+0.013
56810121512+0.025
+0.007
16242
10 681012 15192.5
12+0.034
+0.016
  81012 18223

Specification Table
 Part Number (Type·d)-L
 C-JBHM5-8

■ Dimension Specification Table
Part NumberL SelectionDD ToleranceHWall Thickness
(N)
TR
Typedd Tolerancem7
F7
Economy Series Shouldered Type
(m7)
C-JBHM
4+0.022
+0.010
56    8+0.021
+0.006
12231
556    10142.5
65681012152
8+0.028
+0.013
56810121512+0.025
+0.007
16242
10 681012 15192.5
12+0.034
+0.016
  81012 18223

Part Number 

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Part Number
C-JBHM4-5
C-JBHM4-6
C-JBHM5-5
C-JBHM5-6
C-JBHM6-5
C-JBHM6-6
C-JBHM6-8
C-JBHM6-10
C-JBHM6-12
C-JBHM6-15
C-JBHM8-5
C-JBHM8-6
C-JBHM8-8
C-JBHM8-10
C-JBHM8-12
C-JBHM8-15
C-JBHM10-6
C-JBHM10-8
C-JBHM10-10
C-JBHM10-12
C-JBHM12-8
C-JBHM12-10
C-JBHM12-12
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipInner Diameter
(mm)
Outer Diameter
(mm)
Length L
(mm)

MYR 22.29

1 Piece(s)Available 1 Day(s) 485

MYR 22.87

1 Piece(s)Available 1 Day(s) 486

MYR 21.14

1 Piece(s)Available 1 Day(s) 5105

MYR 20.53

1 Piece(s)Available 1 Day(s) 5106

MYR 20.26

1 Piece(s)Available 1 Day(s) 6105

MYR 19.68

1 Piece(s)Available 5 Day(s) 6106

MYR 19.23

1 Piece(s)Available 1 Day(s) 6108

MYR 19.54

1 Piece(s)Available 1 Day(s) 61010

MYR 18.98

2 Piece(s)Available 12 Day(s) 61012

MYR 20.26

1 Piece(s)Available 1 Day(s) 61015

MYR 20.26

1 Piece(s)Available 1 Day(s) 8125

MYR 19.83

1 Piece(s)Available 5 Day(s) 8126

MYR 19.39

1 Piece(s)Available 1 Day(s) 8128

MYR 18.28

1 Piece(s)Available 1 Day(s) 81210

MYR 19.39

1 Piece(s)Available 5 Day(s) 81212

MYR 18.34

1 Piece(s)Available 5 Day(s) 81215

MYR 19.11

1 Piece(s)Available 1 Day(s) 10156

MYR 19.11

1 Piece(s)Available 1 Day(s) 10158

MYR 20.09

1 Piece(s)Available 1 Day(s) 101510

MYR 19.23

1 Piece(s)Available 1 Day(s) 101512

MYR 23.32

1 Piece(s)Available 1 Day(s) 12188

MYR 21.35

1 Piece(s)Available 1 Day(s) 121810

MYR 22.01

1 Piece(s)Available 1 Day(s) 121812

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Basic Information

Type Bushing Basic Shape Flanged Fixing Support Not Provided
Material SUJ2 Equivalent Surface Treatment Not Provided I.D. Shape Circular

Frequently asked question (FAQ)

Question: Will the fixture bushing rust?
Answer: Products without surface treatment will rust. It is recommended to regularly apply antirust oil for maintenance or choose products with surface treatment (no-electro nickel plated), which can prevent rust in normal atmospheric environments. No-electro nickel plated surface can effectively prevent rust.
Question: What tools are suitable for measuring the inner diameter of the fixture bushing?
Answer: If the inner diameter tolerance of the fixture bushing is within 0.02mm, common vernier calipers and other measuring tools with general accuracy are not suitable. It is recommended to use a high accuracy plug gauge or an internal micrometer for measurement.
Question: Will the inner diameter of the fixture bushing become smaller after installation?
Answer: It will become smaller, and m6 will shrink more than p6 after installation, so please pay attention during hole machining. For detailed change values, please refer to the precautions: change in inner diameter of the fixture bushing during press-fit.
Question: What are the options for fixture bushing outer diameter tolerance?
Answer: Optional tolerances for the outer diameter of fixture bushing: m6, p6, m7, g7. Basically it can meet the needs of installation and positioning under general conditions.
Question: What positioning pins are commonly used together with fixture bushings?
Answer: The fixture bushing is of basic shape, which is usually suitable for supporting positioning pins, checking insertion pins for fixtures, etc.

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