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High Efficient Nut Forming Machine

The Nut Forming Machine is a specialized piece of manufacturing equipment designed to form internal threads in pre-formed blanks or to create nuts from raw material. 
  • Nut Forming Machine

  • ARIDA

  • 8463900090

  • CNC machining center

  • Iron

  • Fastener Making Machine

  • Cold Forging

  • High Rigidity and Precision

  • ISO, GS, RoHS, CE

  • One year

  • Forging

  • Gravity Casting

  • Standard exporting package

  • ARIDA

  • China

  • High Precision

  • Brand new

  • Motor

  • Worldwide

  • yes

  • CNC/MNC

  • With Decoiler

Availability:
Quantity:
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Parameter/Model Unit 11B6SL 14B6SL 17B6SL 19B6SL 24B6SL 33B6SL
Model
6 6 6 6 6 6
Max cut diameter mm 11 14 16 19 24 30
Max cut length mm 15 25 30 30 30 36
Ejection length of rear support mm 30 40/60 50 65/80 65/80 80
Distance between the center and the main mold mm 50 60 70 80 100 140
Main slide stroke mm 90 120 140 160 200 220
Pressing force ton 55 100 120 160 250 400
Productivity pcs/min 100 90 80 70 65 60
Main motor kw 11 18.5 22 45 55 75
Machine weight kg 4.5 8.5 12 19 28 48
Machine dimensions m 2.15*1.55*1.06 2.8*2.05*1.3 3.9*2*1.4 4.45*2*1.4 5.5*3*1.7 6.5*3.2*1.8


 Samply Display
六角螺母

Hex Nut

圆螺母1

Roung Nut

压铆螺母5

Self-clinching Nut

注塑螺母2

Injection Nut



 Overview
nut forming machine

Nut Forming Machine

Nut forming machines operate by compressing and shaping metal blanks into the desired nut form.

It is a specialized piece of manufacturing equipment designed to form internal threads in pre-formed blanks or to create nuts from raw material. These machines are used to produce a variety of nuts, such as hexagonal, square, or other custom shapes, by cold forging or cold heading processes.

Nut forming machines play a vital role in the manufacturing of threaded fasteners, providing a reliable and efficient means to produce nuts in large volumes. Their ability to produce high-quality nuts quickly and consistently makes them indispensable in industries that rely heavily on fasteners.

 Working Principle


Basic Components


  1. Machine Frame: The sturdy frame supports the machine's components and provides a solid base.

  2. Power Source: Typically hydraulic or pneumatic power is used to drive the machine.

  3. Die Set: Includes punch and die blocks that shape the nut.

  4. Feed Mechanism: Ensures the blank is positioned correctly for forming.

  5. Control System: Manages the operation sequence and parameters.

Operation Sequence

  1. Blank Loading:

    • The blank, usually a piece of rod or bar stock cut to the right length, is placed in the machine.

    • In automated systems, a feeder mechanism might automatically insert the blanks into the machine.

  2. Initial Clamping:

    • The blank is held in place by a clamping device to ensure it does not move during the forming process.

  3. Downstroke:

    • A ram or piston, driven by hydraulic pressure or compressed air, moves downward.

    • The punch, attached to the ram, presses into the die, which contains the negative impression of the nut shape.

  4. Forming:

    • As the punch continues to apply pressure, the blank is deformed to fill the cavity in the die.

    • The forming process may involve one or multiple stages depending on the complexity of the nut design.

    • For example, hexagonal nuts are often formed in two stages: first, the blank is swaged to form the hexagon, and second, the threads are rolled onto the workpiece.

  5. Thread Rolling (Optional):

    • If the nut requires threads, a separate thread rolling operation may be performed after the initial forming.

    • Thread rolling uses dies that are pressed against the workpiece to form the threads without removing material.

  6. Ejection:

    • Once the forming is complete, the punch retracts, and an ejection mechanism pushes the newly formed nut out of the die cavity.

    • The nut is then collected or fed into a subsequent process, such as cleaning or coating.

  7. Cycle Completion:

    • The machine resets itself for the next cycle, and the process repeats.

Key Considerations

  • Material Hardness: The hardness of the material being formed influences the tooling design and the force required for forming.

  • Tooling Durability: The dies and punches must be made of high-strength materials that can withstand the repeated stress of forming operations.

  • Precision: High precision is essential to ensure the nuts meet the required specifications, including thread accuracy and dimensional tolerances.

  • Automation: Many modern nut forming machines are highly automated, reducing the need for manual intervention and increasing productivity.

 Application

Nut forming machines are widely used in the manufacturing industry, particularly in sectors such as automotive, construction, electronics, and general engineering. They are essential for producing a variety of nuts, including:

  • Hex Nuts: Standard hexagonal nuts used in most mechanical assemblies.

  • Square Nuts: Square-shaped nuts used in applications where space is limited or a specific orientation is required.

  • Flange Nuts: Nuts with an integrated flange for additional support and stability.

  • Specialty Nuts: Custom-shaped nuts designed for specific applications, such as locking nuts or thin nuts.


1. What is a Nut Forming Machine?

A nut forming machine is a specialized piece of equipment used in manufacturing to shape and form nuts from metal blanks. It typically includes a powerful hydraulic or pneumatic press, dies, and punches that deform the metal into the desired shape.

2. How Does a Nut Forming Machine Work?

The machine operates by positioning a metal blank in a die set, then applying force through a punch to deform the blank into the shape of the die cavity. The process may involve multiple stages, such as swaging for hexagonal shapes and thread rolling for creating threads.

3. What Types of Materials Can Be Used in Nut Forming?

Common materials include steel, stainless steel, brass, bronze, and aluminum. The choice depends on the application requirements, such as strength, corrosion resistance, and conductivity.

4. What Are the Main Components of a Nut Forming Machine?

The main components include the machine frame, power source (hydraulic or pneumatic), die set (punches and dies), feed mechanism, and control system.

5. Can Nut Forming Machines Be Automated?

Yes, many nut forming machines can be automated with the help of robotic feeders, sensors, and computer-controlled systems. Automation increases efficiency and reduces the need for manual labor.

6. What Are the Advantages of Using a Nut Forming Machine?

  • High Production Rates: Capable of producing large quantities of nuts rapidly.

  • Consistency: Ensures uniformity in the nuts produced.

  • Cost-Effective: Economical for mass production once set up.

  • Flexibility: Can be configured to produce different types and sizes of nuts with minimal changeover.

7. What Are the Disadvantages of Nut Forming Machines?

  • High Initial Investment: The machinery can be expensive to purchase and install.

  • Specialized Knowledge: Requires trained personnel for setup, operation, and maintenance.

  • Limited Flexibility: Changing the product line may require significant setup time and resources.

8. How Important Is Tooling in Nut Forming?

Very important. The dies and punches must be precisely manufactured and maintained to ensure the quality and accuracy of the nuts produced. High-strength materials are used for tooling to withstand the repeated stress of forming operations.

9. How Do You Maintain a Nut Forming Machine?

Regular maintenance includes:

  • Cleaning and lubricating moving parts.

  • Checking and replacing worn tooling.

  • Inspecting electrical and hydraulic systems.

  • Performing scheduled servicing as recommended by the manufacturer.

10. Can Nut Forming Machines Handle Custom Designs?

Yes, with the appropriate tooling and programming, nut forming machines can handle custom designs. However, this may require specialized tooling and potentially longer setup times.

11. What Safety Precautions Should Be Taken When Operating a Nut Forming Machine?

Safety precautions include:

  • Ensuring all guards are in place.

  • Providing proper training to operators.

  • Using personal protective equipment (PPE) such as gloves, safety glasses, and hearing protection.

  • Following all manufacturer guidelines and local safety regulations.

12. How Do You Troubleshoot Common Issues in Nut Forming Machines?

Common issues include:

  • Misalignment: Realign the dies and punches.

  • Worn Tooling: Replace worn or damaged dies and punches.

  • Irregular Threads: Adjust thread rolling parameters or replace the thread rolling dies.

  • Jamming: Clear any blockages and inspect for bent or broken components.

13. What Is the Expected Lifespan of a Nut Forming Machine?

With proper maintenance and care, a well-built nut forming machine can last for many years, often decades. The lifespan can be extended through regular maintenance and timely repairs.

Name: Michael Chaning
Role: Production Manager
Date: July 12, 2024


"Efficient and Reliable Nut Forming Machine"

Rating: ★★★★☆ (4/5 stars)

Pros:

  • High production rate

  • Easy to operate once set up

  • Good build quality

  • Versatile for different nut sizes

  • Durable tooling

Cons:

  • Initial setup can be complex

  • Requires skilled maintenance staff

  • Not very portable

Review:

We recently purchased a nut forming machine to streamline our production process and increase output. After evaluating several models, we decided on the ARIDA Nut Forming Machine, primarily because of its reputation for reliability and its ability to handle a wide range of nut sizes.

Setup and Installation:The initial setup was somewhat challenging and required the assistance of a technician from the manufacturer. Once we had everything configured correctly, the machine has been running smoothly. The setup process included calibrating the dies and ensuring the feed mechanism was properly aligned. While it took a few days to get everything dialed in, it was worth the effort.

Operation:Once operational, the machine has proven to be very efficient. We've noticed a significant improvement in our production rates, and the nuts come out consistently accurate, meeting our dimensional tolerances every time. The operator interface is intuitive, and after a brief training period, our team was able to operate the machine with confidence.

Maintenance:In terms of maintenance, the machine requires regular lubrication and occasional adjustments to the tooling. We have a dedicated maintenance staff who keep the machine in top condition. The tooling has held up well over the past few months, and we've only had to replace a couple of items due to normal wear and tear.

Versatility:One of the key selling points for us was the machine's versatility. We produce a variety of nuts, from small machine screws to larger hex nuts, and the machine handles all of them with ease. The ability to switch between different dies quickly has allowed us to adapt to changing production demands.

Durability:So far, the machine has shown itself to be very durable. The build quality is excellent, and we haven't encountered any major issues that would indicate poor construction. The robust frame and heavy-duty components give us peace of mind that the machine will continue to serve us well for years to come.

Summary:Overall, we're quite satisfied with our purchase. The nut forming machine has become an integral part of our production line, and we've seen a notable improvement in both efficiency and product quality. While the initial setup was a bit involved, the benefits have more than outweighed the initial effort. We would recommend this machine to other manufacturers looking to boost their nut production capabilities.


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