The Ming dynasty (1368-1644) was a period of great cultural and technological development in China. During this time, the Ming dynasty saw the emergence of various martial arts styles and weapons, including the Ming dynasty broadsword. Ming Dao Sword, Chinese Ming Dao, Ming Dynasty Sword Ningbo Autrends International Trade Company , https://www.longquan-swords.com
The broadsword was designed for close combat and was known for its versatility and effectiveness in both offense and defense. It was primarily used for slashing, chopping, and thrusting attacks. The curved blade allowed for more efficient cutting and slicing motions, while the weight and thickness of the broadsword made it capable of delivering powerful strikes.
The Ming dynasty broadsword was often paired with a circular guard, known as a "d-shaped guard," which protected the hand and provided leverage for the wielder. The handle was usually made of wood or bone and was sometimes wrapped with leather or silk for better grip.
In addition to its use in warfare, the broadsword also became popular among martial artists and was incorporated into various martial arts styles. It was often used in combination with other weapons, such as the spear or the staff, to create a well-rounded fighting system.
Overall, the Ming dynasty broadsword was a significant weapon during its time, renowned for its effectiveness and versatility. It played a crucial role in the military and martial arts of the Ming dynasty, leaving a lasting impact on Chinese martial culture.
**Product Specifications of RETA Hairpin Bender Machine**
- **Model No.:** RETA Machine
- **Type:** Roller-Bending Machine
- **Tolerance:** Straight Part < ±0.3mm
- **Trademark:** RETA
- **Transport Package:** Sea-Worthy Packaging
- **Specification:** Hairpin Leg Difference in Length Less Than 0.5mm
- **Origin:** China
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**Main Features of Hand Feed Hairpin Bender or Semi-Automatic Hairpin Bender**
The semi-automatic hairpin bender is a compact and efficient machine designed for low-volume production of hairpin bends. It can produce hairpins ranging from 200mm to 3000mm in length, making it ideal for various industrial applications.
The hand-fed or semi-automatic hairpin bender can produce 2, 3, or 5 pieces per cycle depending on the specification and application. This flexibility allows it to meet different customer needs effectively.
**Structural Characteristics:**
1. **Compact Design:** Space-saving and easy to operate.
2. **Servo Motor Driven:** Ensures precise and smooth operation.
3. **Manual Feeding Option:** Offers flexibility in operation mode.
4. **Automatic Operation Mode Process:**
- Manual material feeding
- Mould tooling clamping
- Oil spraying
- Bending process
- Mandrel retraction
- Clamp release
- Unloading
- Return to home position
- Tooling return to home position
**Key Components:**
1. **Control System:** Optional Japan Omron control system for reliable performance.
2. **Pneumatic Parts:** High-quality SMC components for durability.
3. **Hydraulic Parts:** YUKEN hydraulic systems for smooth and stable operation.
4. **Electrical Parts:** Includes limit switches, main switches, connectors, relays, etc., all from Schneider Electric for high quality and safety.
**Acceptance Testing Standards:**
1. **Hairpin Leg Length Difference:** Less than 0.5mm.
2. **Surface Quality:** No visible defects such as bumps, corrugation, or other imperfections. Ellipse should be less than 8%.
3. **Roundness Tolerance:** For straight parts, it should be within ±0.3mm.
4. **Parallelism of Legs:** The two straight legs should have a parallel tolerance of ≤3%.
5. **Operation Smoothness:** The machine should run smoothly without any vibration or noise.
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If you're looking for a reliable and high-quality hairpin bender, our semi-automatic and hand-fed models are perfect for your needs. With advanced technology and precision engineering, these machines ensure consistent performance and long-term durability.
We are a trusted manufacturer and supplier of hairpin benders based in China. Our products are known for their quality, efficiency, and cost-effectiveness. Whether you need a custom solution or a standard model, we’re here to help.
Feel free to contact us for more information or to discuss your specific requirements. We are committed to providing excellent service and support to our customers.
**Product Category:** Finned Tube Coil Fabrication Machinery > Hairpin Bender