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Screw Jack (SJK)
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- Volume Discount
Model SJK-K is provided with a through hole in the center of the jack allowing the jack to be fixed by a bolt, etc.
No. E-175A attachment is usable for the SJK type.
Part Number
Configured Part Number is shown.
| Part Number |
|---|
| SJK40 |
| SJK50 |
| SJK80 |
| SJK105 |
| SJK150 |
| SJK250 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | No. | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | Mass (kg) | Withstand load (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 144.68 | 1 Piece(s) | Available | 4 Day(s) or more | 40 | 30 ~ 40 | 40 | 20 | 9.5 | Tr25P4 | 4 | 0.28 | 20000 | |
MYR 144.68 | 1 Piece(s) | Available | 4 Day(s) or more | 50 | 40 ~ 50 | 50 | 26 | 14 | Tr32P4 | 5 | 0.58 | 35000 | |
MYR 168.26 | 1 Piece(s) | Available | 4 Day(s) or more | 80 | 60 ~ 80 | 50 | 46 | 14 | Tr32P4 | 5 | 0.88 | 35000 | |
MYR 238.98 | 1 Piece(s) | Available | 4 Day(s) or more | 105 | 80 ~ 105 | 65 | 60 | 18 | Tr40P4 | 5 | 2 | 58000 | |
MYR 312.05 | 1 Piece(s) | Available | 4 Day(s) or more | 150 | 100 ~ 150 | 65 | 81 | 18 | Tr40P4 | 5 | 2.54 | 58000 | |
MYR 440.57 | 1 Piece(s) | Available | 4 Day(s) or more | 250 | 150 ~ 250 | 65 | 132 | 18 | Tr40P4 | 5 | 3.82 | 58000 |
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Specifications
| Part Number | No. | A | B | C | D | E | F | G | Withstand Load (N) | Weight (g) |
| SJK | 40 | 30 ~ 40 | 40 | 20 | 9.5 | Tr25P4 | 4 | 11 | 20,000 | 0.28 |
| 50 | 40 ~ 50 | 50 | 26 | 14 | Tr32P4 | 5 | 35,000 | 0.58 | ||
| 80 | 60 ~ 80 | 46 | 0.88 | |||||||
| 105 | 80 ~ 105 | 65 | 60 | 18 | Tr40P4 | 58,000 | 2.00 | |||
| 150 | 100 ~ 150 | 81 | 2.54 | |||||||
| 250 | 150 ~ 250 | 132 | 3.82 |
Example
Basic Information
| G(mm) | 11 |
|---|
- 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 are the main applications of a screw jack?
-
Answer:
•Height adjustment of clamps when securing machined workpieces.
•Used in combination with clamps to ensure stable and precise positioning.
•Supports heavy loads in fixture assemblies for machining operations.
•Provides fine-tuned leveling for components requiring precision.
- Question: How does the SJK-K model differ from other screw jacks?
- Answer: The SJK-K model features a through-hole in the center, allowing it to be fixed in place using bolts for added stability. This design is especially useful in high-precision clamping setups where movement needs to be restricted.
- Question: What makes the SJK screw jack ideal for machining applications?
-
Answer:
•Precision height adjustment allows fine-tuning of workpieces.
•High-strength steel construction ensures durability under high loads.
•Compatible with various clamps for versatile workholding solutions.
•Threaded adjustment mechanism enables smooth and controlled positioning. - Question: How does the screw mechanism ensure smooth height adjustments?
- Answer: The precision-machined threaded screw mechanism allows for incremental height adjustments, ensuring precise leveling and consistent clamping pressure without shifting.
Additional Products in this Category
- Round Seat, Flat Model
- High Lock Screw
- Injeck Clamp
- Strong Nut
- outside clamp unit
- Step Block EA637DB-1
- Centering Pad For Screw Jack EA637EP-3
- Latch-Type Toggle Clamp EA639FF
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