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Dongguan Juhai Machinery Equipment Co., Ltd.
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Seal Insertion Machine

(Total 4 Products)

  • Fully automatic double wire combined crimping machine

    Fully automatic double wire combined crimping machine

    USD 8000 ~ 9000

    Brand:JH Machines

    Min. Order:1 Set/Sets

    Model No:JH-3308

    Transportation:Ocean

    Packaging:wooden case

    Supply Ability:1, 000 Units/Year

    Place of Origin:China

    Productivity:1, 000 Units/Year

    Product Highlight： 1.  One end features consolidated crimping (multiple wires into one terminal), while the other end performs individual wire crimping. 2.  Multi-wire combined crimping capability, adaptable to various application requirements. 3....

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  • Fully Automatic Combination Terminal Crimping Machine

    Fully Automatic Combination Terminal Crimping Machine

    USD 7000 ~ 8000

    Brand:JH Machines

    Min. Order:1 Set/Sets

    Model No:JH-3302

    Transportation:Ocean

    Packaging:wooden case

    Supply Ability:1, 000 Units/Year

    Place of Origin:China

    Productivity:1, 000 Units/Year

    Product Highlight： 1.  One end features consolidated crimping (multiple wires into one terminal), while the other end performs individual wire crimping. 2.  Multi-wire combined crimping capability, adaptable to various application requirements. 3....

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  • seal insertion and stripping crimping machine

    seal insertion and stripping crimping machine

    USD 13000 ~ 14000

    Brand:JH Machines

    Min. Order:1 Set/Sets

    Model No:JH-2000F-1s

    Transportation:Ocean

    Packaging:wooden case

    Supply Ability:1, 000 Units/Year

    Place of Origin:China

    Productivity:1, 000 Units/Year

    Product Highlight： 1.Realize ultra thick wire and ultra thick terminal crimping; 2.Realize the crimping and sheath insertion of 187/250 straight terminals, and pull them in place,saving a lot of labor; 3.Implementing the same type of sheath and...

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  • Semi Automatic Waterproof Plug Insertion Machine

    Semi Automatic Waterproof Plug Insertion Machine

    USD 5000 ~ 5500

    Brand:JH Machines

    Min. Order:1 Set/Sets

    Model No:JH605F

    Transportation:Ocean

    Packaging:wooden case

    Supply Ability:1, 000 Units/Year

    Place of Origin:China

    Productivity:1, 000 Units/Year

    Product Description: This semi-automatic waterproof grommet insertion machine is suitable for both fully stripped and partially stripped wires.It allows adjustable and consistent insertion depth,significantly improving the speed and production...

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High-Precision wire seal insertion machine Manufacturer – Juhai Machinery

Welcome to Juhai Machinery, your trusted partner for high-performance wire seal insertion machines. As a leading manufacturer based in China, we operate from a 6,000㎡ self-owned factory and hold over 50 national patents in wire processing technology.

In automotive and appliance wiring, proper sealing is critical to prevent water ingress, corrosion, and electrical failure. Our seal insertion machines are engineered to precisely place rubber or silicone seals onto wires before terminal crimping, ensuring consistent, leak-proof connections every time.

Why choose Juhai for your sealing needs:

  • Patented Feeding Mechanism: Our wire sealing machines feature proprietary seal feeding systems that handle delicate seals without jamming or deforming.

  • Wide Compatibility: Suitable for various seal types (flat, mushroom, multi-lip) and wire gauges, from thin signal wires to thick power cables.

  • Factory Direct Advantage: With our own sealing machine wire production line, we guarantee faster delivery, competitive pricing, and strict quality control.

As a dedicated wire Seal Insertion Machine supplier, we offer both standalone units and fully integrated solutions for your Wire harness Assembly Line. Explore our range below and discover why global clients trust Juhai for precision seal insertion machine technology.

Seal Insertion Machine
The Seal Insertion Machine is an automated solution developed by Juhai Machinery for waterproof wire harness assembly. It precisely inserts seals between wires and terminals through stable feeding, positioning, and insertion control, ensuring consistent seal placement and controlled insertion force. The machine effectively solves issues such as low manual efficiency, misalignment, and unreliable sealing, making it ideal for automotive, new energy, home appliance, and industrial harness production.
Product Features
High-Precision Insertion Control
Precise insertion force and stroke control ensure seals are fully seated without damaging wires.
Reliable Wire Positioning
Multi-point clamping and guiding ensure wire stability during insertion.
Modular Structure Design
Modular structure allows easy maintenance and future upgrades.
CUSTOMER
VOICE
Please Listen To Us?
Juhai Machinery follows a “stability-first, process-driven” philosophy. Rather than focusing solely on speed, the Seal Insertion Machine prioritizes sealing reliability and process consistency, helping customers build production lines that operate stably over the long term while minimizing quality risks and maximizing overall value.
Original Concept
Juhai Machinery
Application Scenarios
Automotive Waterproof Wire Harness Assembly
In automotive harness production, seals are widely used in engine compartments, lighting systems, and sensors exposed to heat and moisture. The Seal Insertion Machine ensures accurate seal placement before terminal crimping, reducing leakage risks caused by manual inconsistency.
New Energy Vehicle High-Voltage Harness
Used for terminal crimping of camera systems, power modules, and signal transmission harnesses, enhancing overall reliability in outdoor or complex environments.
Multi-Model & Small-Batch Production
Supports fast changeover for different wire sizes and seal types, ideal for mixed production lines.
Outdoor Communication & Security Devices
Outdoor communication and security devices require reliable sealing against rain and temperature changes.
FAQ
What are the main causes of incomplete seal insertion?
Common causes include seal size mismatch, wire diameter tolerance, incorrect insertion force, or material differences. Adjustable parameters help reduce these risks.
Does changing seal material require mechanical modification?
No major structural changes are needed; only insertion force parameters need adjustment.
How can seal insertion quality be verified?
Visual inspection, waterproof testing, or inline detection systems can be used.
What is the maintenance frequency and wear parts?
Maintenance is minimal, mainly cleaning and inspection, with long wear-part life.
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