1. Overview
The SHAHE YSQ-70 preset torque screwdriver is designed for precise screw fastening and tightening of workpieces that require specific torque values. This tool operates in a clockwise direction, utilizing preset torque values. It features an idling mechanism that activates when the set torque value is exceeded, ensuring priority control over thread fastening.
It is ideal for applications demanding high accuracy in screw locking, such as precision instrument assembly and circuit board fixing. Its versatility makes it suitable for various industries including electrical, light industry, mechanical manufacturing, and scientific research.
2. Features
- Preset Torque Value with Alarm: Allows for presetting the desired torque value. Upon reaching this value, the screwdriver emits an audible "Click" sound and provides a distinct hand vibration, signaling the completion of the fastening operation.
- Automatic Reset: After the fastening action is completed and the tool is removed, all related parts automatically reset.
- Directional Use: Primarily designed for clockwise tightening. The reverse direction can be used for disassembly, offering simple and convenient operation.
- Clear Scale Reading: Equipped with a linear scale and zero-point indication, ensuring clear and accurate torque readings.
- Durable Construction: The outer casing is made of nylon, providing strength and wear resistance.
- Standard Compliance: The torque screwdriver complies with the relevant regulations of GB/T 15729-2008.
3. Specifications
| Attribute | Value |
|---|---|
| Model | YSQ-70 |
| Range | 10~70 (in-lb) |
| Torque Increment | 1 (in-lb) |
| Precision | ±6% |
| Length | 161.5mm |
| Outside Diameter | Φ42mm |
| Drive Head | 1/4'' (6.35) Hexagonal |
| Material | Alloy Steel |
| Net Weight | Approx. 0.29Kg |
4. Product Components & Package Contents
The YSQ-70 Preset Torque Screwdriver comes with the following components:
The package typically includes:
| No. | Item | Quantity |
|---|---|---|
| 1 | Torque Driver | 1 |
| 2 | Short Batch Head (Bits) | 10 |
| 3 | Instruction Manual | 1 |
| 4 | Package Box | 1 |
| 5 | Product Certificate | 1 |
| 6 | Desiccant | 1 |
5. Setup and Operation
5.1 Setting the Torque Value
- Hold the middle main body of the screwdriver with one hand.
- With the other hand, pull out the loading handwheel (torque adjustment knob).
- Rotate the handwheel to adjust and set the desired torque value, observing the main and minor scales for accuracy.
- Once the desired torque is set, release the loading handwheel to allow it to return to its starting position, locking the setting.
5.2 Installing the Bit
- Select the appropriate bit (short batch head) from the attachment based on the fastener's head form.
- Insert the selected bit into the 1/4'' (6.35) drive head of the screwdriver. The drive head is magnetic to securely hold the bit.
5.3 Operating the Screwdriver
- Hold the handle of the screwdriver and position the bit onto the fastener.
- Turn the screwdriver in a clockwise direction.
- Continue turning until the torque applied to the fastener reaches the preset value.
- The screwdriver will then "idle" and produce a "Click" sound, accompanied by an obvious hand vibration. This indicates that the desired torque has been achieved and the operation is complete.
Video 1: Demonstration of the SHAHE YSQ-70 Preset Torque Screwdriver in use, showing unboxing, torque setting, and application.
6. Maintenance Instructions
- Storage: If the screwdriver is not used for an extended period, adjust the scale line to the minimum torque value before storage to preserve accuracy and extend service life.
- Cleaning: Avoid contact with acid, alkali, and corrosive gases, as these can damage the tool.
- Handling: Do not subject the screwdriver to strong impacts.
- Intended Use: Never use the torque screwdriver as a pry bar or any other tool for which it is not designed.
- Post-Alarm: After the "Click" alarm sounds, do not continue to apply force to the fastener.
- Disassembly: The measuring value of this product is factory-corrected. Do not disassemble the tool without permission, as this can lead to errors in measuring accuracy.
7. Troubleshooting
No specific troubleshooting steps are provided in the manual. For any operational issues or malfunctions, please refer to the "Warranty and Support" section for assistance.
8. Warranty and Support
- Reporting Failure: In case of any failure, please contact the original purchasing office or the manufacturer directly.
- Initial Replacement (Within 1 Month): If the product experiences quality problems under normal use and undamaged appearance within one month from the date of sale, customers can obtain a replacement of the same specifications and model. This requires the original customer invoice, a valid warranty card, and complete packaging. The warranty period for replacement products will extend from the original purchase date.
- Warranty Period (Within 1 Year): For non-man-made faults occurring under normal use within one year from the date of sale, the product is covered by warranty.
- Warranty Exclusions: The warranty is void if the user disassembles the machine independently or attempts repairs at unauthorized service points.
- Market Scope: This warranty clause applies only to products sold within the Chinese market.
- Post-Warranty Support: For products beyond the warranty period, customers can contact the original purchasing office or the company for paid maintenance services.
For further inquiries or support, please contact your original point of purchase or the manufacturer.
9. User Tips
- Material Compatibility: This screwdriver is made of alloy steel, ensuring durability for various fastening tasks.
- Precision Fastening: The 1 in-lb torque increment allows for very precise screw driving, beneficial for delicate components.
- Versatile Use: It is a multifunctional precision screwdriver suitable for a wide range of applications requiring controlled torque.