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Index Plungers Knob Less Type, Stainless Steel
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Part Number
Configured Part Number is shown.
Dimensional drawing of Indexing Plungers
Specification table of Indexing Plungers
| form | pitch | D | D 1 | D 2 | D 3 | S | B | L | L 1 | L 2 | L 3 | S 1 | Sw 1 | Sw 2 | R | Allowable load (N) | Torque (N) max. | ||
| Type | M | plain screw | min. | max. | |||||||||||||||
E-SPMXPB | 10 | 1.5 | 12 | 16.1 | 18 | 12 | 5 | 5 | 47.5 | 18 | 7 | 24.5 | 5 | 6.5 | 17 | 3 | 6 | 24 | 15 |
| 12 | 1.75 | 12 | 19 | 20 | 14 | 6 | 6 | 12 | 20 | 7 | 26.5 | 6 | 7.5 | 19 | 2.5 | 7 | 15 | 55 | |
| 16 | 2 | 15 | 24.3 | 27 | 18 | 8 | 8 | 16 | 25 | 8 | 34.5 | 8 | 11 | 24 | 3.5 | 11 | 24 | 175 | |
| kgf=N×0.101972 | |||||||||||||||||||
Specification overview of Indexing Plungers
| form | screw thread | knob | axis | main body | pin | spring | nut |
 texture | texture | texture | texture | texture | texture | ||
| E-SPMXPB | plain screw | SUS303 | Polyacetal (red) | SUS303 | SUS303 | SUS304 | SUS304 |
Product Overview of Indexing Plungers
♢ Applies to various situations such as jig division, positioning, and stopping position restrictions.
Product Features of Indexing Plungers
♢ This series is a stainless steel type with a general screw type and can be operated with just one finger, greatly reducing the work space above the knob.
♢ When you press the knob, the pin turns ON (black button), and when you press it again, it returns to OFF state (black and white buttons).
How to Use of Indexing Plungers
• Return type of Indexing Plungers
1. The front part is generally protruding.
2. The front part crawls when the knob is pulled.
3. When the knob is released, the front part returns to its protruding state due to the built-in elastic force.
1. The front part is generally protruding.
2. The front part crawls when the knob is pulled.
3. If it is rotated 90° in the pulled state, the front part can be fixed in the crawled state.
4. To unlock, simply rotate 90° from the pulled position.
5. When the knob is released, the front part regains its protruding state due to the action of built-in elastic force.
Use cases of Indexing Plungers
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
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| Part Number |
|---|
| E-SPMXPB10 |
| E-SPMXPB12 |
| E-SPMXPB16 |
| 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) |
|---|---|---|---|---|---|---|---|
SGD 22.40 | 5 Piece(s) | Available | 5 Day(s) | 10 | 5 | 5 | |
SGD 23.70 | 5 Piece(s) | Available | 5 Day(s) | 12 | 6 | 6 | |
SGD 27.60 | 5 Piece(s) | Available | 5 Day(s) | 16 | 8 | 8 |
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| Part No | Thread | D | D1 | D2 | D3 | S | B | L | L1 | L2 | L3 | S1 | Sw1 | Sw2 | R | Load（N） | Torque(N) max. | ||
| Type | M | Coarse | min. | max. | |||||||||||||||
| E-SPMXPB | 10 | 1.5 | 12 | 16.1 | 18 | 12 | 5 | 5 | 47.5 | 18 | 7 | 24.5 | 5 | 6.5 | 17 | 3 | 6 | 24 | 15 |
| 12 | 1.75 | 12 | 19 | 20 | 14 | 6 | 6 | 12 | 20 | 7 | 26.5 | 6 | 7.5 | 19 | 2.5 | 7 | 15 | 55 | |
| 16 | 2 | 15 | 24.3 | 27 | 18 | 8 | 8 | 16 | 25 | 8 | 34.5 | 8 | 11 | 24 | 3.5 | 11 | 24 | 175 | |
| kgf=N×0.101972 | |||||||||||||||||||
Operation methods of "Reset type" and "Self-locking type"
•Reset type
1 The front end is usually in a protruding state.
2 The front end retracts when the knob is pulled out.
3 If you release the knob, the front end will return to the protruding state due to the force of the built-in spring.
Operation methods of reset type and self-locking type•Reset type1 The front end is usually in a protruding state.2The front end retracts when the knob is pulled out.3If you release the knob, the front end will return to the protruding state due to the force of the built-in spring.
1 The front end is usually in a protruding state.
2 The front end retracts when the knob is pulled out.
3 If you rotate it 90° while keeping it pulled out, the retracted state of the front end can be locked.
4. When unlocking, just rotate it 90° while keeping it pulled out.
5. If the knob is released, the front end will return to the protruding state due to the force of the built-in spring.
Self-locking type
Basic Information
| Type | Special Knobs | Locking Mechanism | Self-locking Type | Mounting Method | Screw-In |
|---|---|---|---|---|---|
| Body Material | Stainless Steel | Overall Length | Standard | Pin Material | Stainless Steel |
| All Stainless | Applicable | Knob | Provided | Accessories | With locknut |
- 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: The knob plunger 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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