Your Leading Other Auxiliary Devices Supplier

 

Zhejiang Jiaxing Precision Technology Co.,Ltd. is a professional manufacturer specializing in sewing machine parts and precision components. Our range of sewing machine adjustment & control parts is comprehensive, including stitch length regulator, presser foot lifter, pressure adjustment screw & nut, sewing machine head support, and knee lifter rod. These products are widely used in industrial and household sewing machines, textile automation equipment, and related precision machinery.

 

 
  • Sewing Machine Work Light Switch
    The Berker 288 Series Three-Button Switch Module integrates the three core sewing functions of 1/2 Stitch, Single Stitch, and Reverse Stitch. Indicator lights provide real-time feedback on button
  • Sewing Machine Handwheel
    The Sewing Machine Handwheely is the core handwheel component for industrial straight stitch sewing machines such as the Yamato H8900 series.
  • Serger Trimming Knife Assembly
    The 296.33-12 is an automatic trimming knife assembly (moving knife assembly) for overlockers/sergers. Its core function is to cooperate with the fixed knife to complete stitch trimming and thread
  • Air Suction Device
    Suitable for various lockstitch machines and overlock machines
 
Why Choose Us
Rich Experience
With nearly 20 years of experience in sewing machine parts manufacturing, we supply components to well-known machine manufacturers in multiple regions.
Advanced Equipment
We operate complete in-house production with CNC machining, injection molding, and automated assembly, ensuring stable quality and consistent precision for large-volume orders.
OEM & ODM Available
We offer OEM and ODM services based on drawings or samples, supporting mold development, trial production, and scalable manufacturing for different sewing machine applications.

 

Types of Other Auxiliary Devices

Sewing Machine Work Light Switch

The Berker 288 Series Three-Button Switch Module integrates the three core sewing functions of 1/2 Stitch, Single Stitch, and Reverse Stitch. Indicator lights provide real-time feedback on button status and operating modes.

Sewing Machine Handwheel

The Sewing Machine Handwheely is the core handwheel component for industrial straight stitch sewing machines such as the Yamato H8900 series.

 

Serger Trimming Knife Assembly

The 296.33-12 is an automatic trimming knife assembly (moving knife assembly) for overlockers/sergers. Its core function is to cooperate with the fixed knife to complete stitch trimming and thread end cleaning.

 

Air Suction Device

The airflow of the Air Suction Device can take away part of the heat, avoiding melting and adhesion of chemical fiber sewing threads, needle hole scorching due to high temperature, or damage to heat-sensitive fabrics, and reducing the probability of thread breakage.

 

Parameter of Other Auxiliary Devices

Product Category

Other Auxiliary Devices

Included Devices

Work light switch, handwheel, trimming knife assembly, air suction unit

Material

Steel alloy, engineering plastic, electronic components

Voltage Range

110–240V

Operating Speed

Designed for high-speed industrial sewing machines

Weight Range

Approx. 0.1–2.0 kg depending on device type

Installation Type

Direct machine mounting or modular attachment

Function

Assist stitching, trimming, lighting, heat and thread control

Compatibility

Industrial lockstitch, overlock, and special sewing machines

Application

Apparel, textile production, continuous industrial sewing

 

 
 
Functions of Other Auxiliary Devices
Sewing Machine Work Light Switch

Indicator Function

The backlight/status light serves not only as an operational prompt but also aids in diagnosing button malfunctions (e.g., a non-lit light may indicate a loose connection or damaged button).

Sewing Machine Handwheel

Stitch Length Linkage

The 1/2 Stitch length is automatically halved based on the system setting without altering the memorized original length; the original setting is restored upon release or when stopping.

Serger Trimming Knife Assembly

Independent Operation

The Single Stitch button can be tapped while stopped (no pedal needed). Reverse Stitch requires the pedal and typically has speed limitation (~800 rpm) to prevent needle breakage.

Air Suction Device

Adjustable Parameters

Settings like the number of reverse stitches (2-4), front/back reinforcement mode, and the Single Stitch trigger method (half/full stitch) can be adjusted via the machine's parameter menu.

 

Usage Instructions of Other Auxiliary Devices

If the indicator is abnormal (e.g., not lighting, staying on), first check the button wiring and power supply, then investigate panel settings and potential switch component failure

The Single Stitch button can be tapped directly for a single stitch while stopped; continuous stitching requires holding the button while pressing the pedal.

The Reverse Stitch button only engages reverse sewing while held; releasing it immediately resumes forward sewing. Control the press duration to avoid excessive reverse stitching.

 

Ordering Process
 

Inquiry & Requirement Review

Buyers send drawings, samples, or specifications, and our team reviews technical details, materials, and application requirements.

Technical Evaluation & Quotation

We evaluate production feasibility, confirm processes and tolerances, and provide a clear quotation with lead time.

Sample Development & Approval

If required, we produce trial samples or prototypes for testing and confirmation before mass production.

Order Confirmation & Production

After sample approval, the order is confirmed and scheduled for in-house production under strict quality control.

Quality Inspection & Packaging

All products undergo inspection to ensure consistency, accuracy, and safe packaging for international shipment.

Delivery & After-Sales Support

We arrange shipment and provide ongoing support for any technical or quality-related inquiries after delivery.

 

Other Auxiliary Devices: Surface Treatment of Steel Alloys
 

Hardening
Metallic alloys can all be work hardened but specifically steel-alloys can also be hardened through heat treatment. The harden-ability of a steel-alloy is dependent on its carbon or other alloys content. The higher percentage carbon alloys can achieve a greater degree of hardness.
The hardening process is achieved by heating an alloy to a predefined temperature and then quenching in oil, water, air or a special polymer quenchant. The temperature and quenching parameters are dependent on the type of steel being processed.

 

Tempering
Tempering usually follows the hardening process and is used to remove much of the brittleness of the alloy while retaining the components hardness.

 

Induction Hardening
Rapidly heating using an induction coil immediately followed by quenching in a quench jet can also harden medium and high carbon steels. This process can also be carried out using alternative hot flame impingement or laser technology heating techniques.

 

Our Service Advantages
 
 

Pre-sales Service

We assist customers by reviewing technical requirements, materials, and applications, and provide solution advice, product selection support, and trial samples when required.

 
 
 

In-sales Service

We provide clear updates on production and delivery status, adjust schedules when necessary, and support shipping and export procedures.

 
 
 

After-sales Service

We offer repair or replacement during the warranty period and provide paid service support after warranty.

 

 

 

Packing & Transportation

 

productcate-552-379

 

 

FAQ

 

Q: What are other auxiliary devices used for in sewing machines?

A: Other auxiliary devices support sewing efficiency by improving lighting, trimming accuracy, heat control, and operator handling during production.

Q: Do other auxiliary devices affect sewing quality?

A: Yes, well-designed other auxiliary devices help maintain stable stitching, clean thread trimming, and consistent machine operation.

Q: How do other auxiliary devices improve operator efficiency?

A: Other auxiliary devices reduce manual effort and improve visibility and control, helping operators work faster with fewer interruptions.

Q: Can other auxiliary devices handle continuous operation?

A: Industrial-grade other auxiliary devices are built for long working hours under high-speed sewing conditions.

Q: Do other auxiliary devices require frequent maintenance?

A: Most other auxiliary devices require only basic inspection and cleaning to maintain stable long-term performance.

Q: Can other auxiliary devices be replaced independently?

A: Yes, other auxiliary devices are usually modular, allowing easy replacement without stopping the entire production line.

Q: How do other auxiliary devices support heat-sensitive materials?

A: Air-based other auxiliary devices help lower thread temperature and reduce fabric damage during high-speed sewing.

As one of the leading auxiliary devices manufacturers and suppliers in China, our products have good reputation in the market. Please rest assured to wholesale high quality auxiliary devices at competitive price from our factory. Contact us for more details.

other auxiliary devices, Sewing Machine Handwheel, Sewing Machine Work Light Switch
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