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Spring Plungers Flat Tip
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Part Number
Configured Part Number is shown.
♢The spring plunger is also known as the positioning column, ball screw, spring screw, etc. It is a product involving vertical stroke, in which the front pin is pressed till the pin sinks into the body and then the front pin can be ejected through the built-in spring. It can be used in mold release, workpiece lifting and positioning, etc., which can be widely applied in medium and low-precision mechanical devices, fixtures, molds, automation machines, etc.
Material Specification
| Tybe | Body | Pin | Spring | ||||
 Material |  Hardness |  Surface Treatment | Material | Hardness | Surface Treatment | Material | |
| E-LPJLF | 1215 | 29~35HRC | Black Oxide | S45C | 45~55HRC | Zinc Plating | SWP-B |
| Part Number | S | d | ℓ | L | B | Load (N) | ||
| Type | M | |||||||
| min. | max. | |||||||
| E-LPJLF | 5 | 3 | 2 | 20 | 20 | 1.5 | 1.5 | 9.8 |
| 5 | 2 | 27 | 27 | 1.5 | 1.6 | 10.4 | ||
| 6 | 3 | 2.5 | 25 | 25 | 2 | 3.4 | 10.4 | |
| 5 | 2.5 | 30 | 30 | 2 | 1.9 | 9.7 | ||
| 8 | 3 | 3.1 | 25 | 25 | 2.5 | 3.5 | 9.4 | |
| 5 | 3.1 | 27 | 27 | 2.5 | 2.9 | 9.6 | ||
| 10 | 5 | 3.8 | 30 | 30 | 3 | 2.8 | 14.1 | |
| 10 | 3.8 | 30 | 43 | 3 | 2.9 | 14.6 | ||
| 12 | 10 | 5.5 | 35 | 43 | 4 | 2.5 | 21.1 | |
♢Products with the same thread size, offering 2 specifications of pin stroke
♢ The spring plunger is a product involving vertical stroke. It can be used in mold release, workpiece lifting and positioning, etc., which can be widely applied in medium and low-precision mechanical devices, fixtures, molds, automation machines, etc.
| Part Number |
|---|
| E-LPJLF5-3 |
| E-LPJLF5-5 |
| E-LPJLF6-3 |
| E-LPJLF6-5 |
| E-LPJLF8-3 |
| E-LPJLF8-5 |
| E-LPJLF10-5 |
| E-LPJLF10-10 |
| E-LPJLF12-10 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Dia. M (mm) | Stroke (S) (mm) | Min. Load (N) | Max. Load (N) |
|---|---|---|---|---|---|---|---|---|
SGD 8.60 | 1 Piece(s) | Available | 10 Day(s) | 5 | 3 | 1.5 | 9.8 | |
SGD 8.60 | 1 Piece(s) | Available | 10 Day(s) | 5 | 5 | 1.6 | 10.4 | |
SGD 8.60 | 1 Piece(s) | Available | 10 Day(s) | 6 | 3 | 3.4 | 10.4 | |
SGD 8.60 | 1 Piece(s) | Available | 10 Day(s) | 6 | 5 | 1.9 | 9.7 | |
SGD 8.90 | 1 Piece(s) | Available | 10 Day(s) | 8 | 3 | 3.5 | 9.4 | |
SGD 9.10 | 1 Piece(s) | Available | 10 Day(s) | 8 | 5 | 2.9 | 9.6 | |
SGD 8.70 | 1 Piece(s) | Available | 10 Day(s) | 10 | 5 | 2.8 | 14.1 | |
SGD 10.00 | 1 Piece(s) | Available | 10 Day(s) | 10 | 10 | 2.9 | 14.6 | |
SGD 10.40 | 1 Piece(s) | Available | 10 Day(s) | 12 | 10 | 2.5 | 21.1 |
| Part Number |
|---|
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Basic Information
| Pin Material | Steel | Body Material | Steel | Mounting Method | Screw-In |
|---|---|---|---|---|---|
| Initial Load (Range)(N) | 0.01~50 | Thread Locking Treatment | Provided | Tip Heat Treatment | Not Provided |
| Wrench Hole Shape | Hex | Main Body Surface Treatment | Black Oxide | Pin Surface Treatment | Electroless Nickel Plating |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What role does a ball plunger play?
- Answer: It specifies the stroke of the front ball and can be used for temporary positioning and indexing of workpieces.
- Question: What role does a spring plunger play?
- Answer: With pin-shaped front section, it can be used to eject workpieces or stoppers.
- Question: What is the meaning of load min and max?
- Answer: The min. load represents the initial load, and the max. load represents the load at the maximum press-in limit of ball head.
- Question: Can the knob plunger withstand radial force?
- Answer: No, it can only withstand axial force.
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