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Index Plungers Lever Type, Coarse Thread
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Part Number
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Product Overview of Indexing Plungers
♢ Knob plunger is also known as indexing pin or Indexing Plungers. The pin can be pulled out or inserted by the operation knob for easy and fast positioning and for fixing mechanical elements of the workpiece.
Suitable for fixture indexing, positioning, stop limit and other occasions.
Suitable for fixture indexing, positioning, stop limit and other occasions.
Product Features of Indexing Plungers
♢ The Economy series Indexing Plungers has been domestic, which greatly reduces the cost, and is up to 85% OFF compared to MISUMI similar existing products.
♢ This series is a handle knob plunger with coarse threads.
♢ This series is a handle knob plunger with coarse threads.
Dimensional Drawing of Indexing Plungers
| Type of Indexing Plungers | Thread | Indexing Plungers Type | Body | Pin | Spring | (Locknut) | |||||
 Material |  Surface Treatment | Material | Surface Treatment | Material |  Hardness | Surface Treatment | Material | Material | Surface Treatment | ||
| E-PMXRB | Coarse | 45 Steel | Blackening | 1215 | Blackening | 45 Steel | 45～ 55HRC | Blackening | SUS304 | 35 Steel | Blackening |
| E-PMXRM | Nickel Plated | Nickel Plated | Nickel Plated | SUS304 | － | ||||||
Specifications Overview of Indexing Plungers
| Part Number of Indexing Plungers | Thread Pitch | B | S | L | L1 | D | H | L2 | Sw | R | Load (N) | Torque (N) | ||
 Type |  M | Coarse | min. | max. | max. | |||||||||
| E-PMXRB | 10 | 1.5 | 5 | 5 | 39 | 21 | 21 | 8.8 | 5 | 16 | 3 | 6 | 20 | 8 |
| E-PMXRM | 12 | 1.75 | 6 | 6 | 45 | 27 | 26 | 10 | 6 | 18 | 3.5 | 6 | 16 | 15 |
Usage Method of Indexing Plungers
How to operate the reset type and self-locking type
•Reset type of Indexing Plungers
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the Indexing Plungers is released, the front end will return to the protruding state through the action of the built-in spring force.
•Reset type of Indexing Plungers
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the Indexing Plungers is released, the front end will return to the protruding state through the action of the built-in spring force.
•Self-locking type of Indexing Plungers
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the front end is rotated by 90 while maintaining the pull-out state°, the retraction state of the front end can be locked.
4. To release the locked state, simply rotate 90° while maintaining the pulled-out state.
5. If the Indexing Plungers is released, the front end will return to the protruding state through the action of the built-in spring force.
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the front end is rotated by 90 while maintaining the pull-out state°, the retraction state of the front end can be locked.
4. To release the locked state, simply rotate 90° while maintaining the pulled-out state.
5. If the Indexing Plungers is released, the front end will return to the protruding state through the action of the built-in spring force.
Example Use of Indexing Plungers
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| Indexing Plungers is used to prevent malfunction in the example of use of sheet metal bending fixture. |
Part Number
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| Part Number |
|---|
| E-PMXRB10 |
| E-PMXRB12 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Screw Dia. M (mm) | Tip Outer Dia. B (Ø) | Stroke (S) (mm) | Pin Surface Treatment | Main Body Surface Treatment |
|---|---|---|---|---|---|---|---|---|---|
MYR 34.58 | 1 Piece(s) | Available | 1 Day(s) | 10 | 5 | 5 | Black Oxide | Black Oxide Coating | |
MYR 38.02 | 1 Piece(s) | Available | 1 Day(s) | 12 | 6 | 6 | Black Oxide | Black Oxide Coating |
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Dimensional Drawing
Specification Table
| Part Number | Thread Pitch | B | S | L | L1 | D | H | L2 | Sw | R | Load (N) | Torque (N) | ||
 Type |  M | Coarse | min. | max. | max. | |||||||||
| E-PMXRB | 10 | 1.5 | 5 | 5 | 39 | 21 | 21 | 8.8 | 5 | 16 | 3 | 6 | 20 | 8 |
| E-PMXRM | 12 | 1.75 | 6 | 6 | 45 | 27 | 26 | 10 | 6 | 18 | 3.5 | 6 | 16 | 15 |
Material Specification
| Type | Thread | Knob Type | Body | Pin | Spring | (Locknut) | |||||
 Material |  Surface Treatment | Material | Surface Treatment | Material |  Hardness | Surface Treatment | Material | Material | Surface Treatment | ||
| E-PMXRB | Coarse | 45 Steel | Blackening | 1215 | Blackening | 45 Steel | 45～ 55HRC | Blackening | SUS304 | 35 Steel | Blackening |
| E-PMXRM | Nickel Plated | Nickel Plated | Nickel Plated | SUS304 | － | ||||||
Basic Information
| Type (Details) | Lever Type | Locking Mechanism | Self-locking Type | Mounting Method (Details) | Screw-In |
|---|---|---|---|---|---|
| Body Material | Steel | Pin Material | S45C | All Stainless | Not Compliant |
| Knob | Provided | Accessories | With locknut |
Specification/Dimensions
-
Screw Dia. M(mm)
-
Tip Outer Dia. B(Ø)
-
Stroke (S)(mm)
-
Main Body Surface Treatment
-
type
- E-PMXRB
- E-PMXRM
-
Pin Surface Treatment
- Black Oxide
- Electroless Nickel Plating
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 1 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: Can the knob plunger withstand radial force?
- Answer: It is not recommended to bear radial cutting force, as it is prone to product damage and fracture, and generally it can only bear axial force.
- Question: What role does a ball plunger play?
- Answer: It is a mechanical element part that can easily and quickly locate and fix the workpiece by operating the knob or the handle to pull out or insert the pin. Early knob plungers were mainly used for parts used in the angular positioning of indexing devices. In recent years, knob plunger has been more widely used, and become an indispensable mechanical element part of equipment and devices.
- Question: What are the characteristics of fine thread type compared to coarse thread type?
- Answer: Fine thread type is suitable for fine-tuning the ejection amount of the pin. More precise positioning is more possible compared to coarse thread type.
- Question: What is the difference between reset type and self-locking type knob plungers?
- Answer: The self-locking type can lock the front end by turning 90° after pulling out the knob, while keeping the pulled state and turning 90° to release the lock.
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