LZH-366-76-12 Long-Arm Extra-Heavy-Duty Zigzag Sewing Machine
Description
The LZH-366-76-12 is a single-needle long-arm extra-heavy-duty zigzag sewing machine for sails, tents, tarpaulins, awnings and heavy technical textiles. It produces straight, 2-point, 3-point and 4-point zigzag lockstitches, with a maximum stitch length of 10 mm and zigzag width of 12 mm. An optional rear puller improves feeding on thick and multi-layer materials.
Product Overview
LZH-366-76-12 Long-Arm Extra-Heavy-Duty Zigzag Sewing Machine
The TOPEAGLE LZH-366-76-12 is a single-needle long-arm lockstitch zigzag sewing machine designed for sails, tents, tarpaulins, awnings and other heavy technical textile products.
The machine can produce straight stitches as well as 2-point, 3-point and 4-point zigzag stitches. Different stitch patterns are selected by changing the corresponding mechanical cam, allowing the machine to perform general joining, reinforcement and multi-step zigzag operations.
Its 760 mm long-arm working space provides additional room for handling large and bulky workpieces. This is especially useful when sewing sail panels, reinforcement patches, heavy canvas covers and other products that are difficult to position on a conventional short-arm machine.
The standard bottom-feed mechanism provides reliable material feeding, while models equipped with an optional pneumatic rear puller offer additional feeding support for thick, coated or multi-layer materials. The puller helps reduce material drag and improves stitch consistency during long sewing operations.
A large-capacity semi-rotary barrel shuttle provides increased bobbin-thread capacity and supports the use of heavy industrial sewing threads. Pneumatic presser-foot lifting and pneumatic reverse feeding reduce manual operation and make it easier to position bulky materials.
With a maximum stitch length of 10 mm, a maximum zigzag width of 12 mm and several long-arm configurations, the LZH-366-76-12 series is suitable for professional sail lofts, tent manufacturers, technical textile factories and heavy-duty repair workshops. The main product structure and specifications align with established long-arm sailmaking zigzag platforms used for large technical textile applications.
Key Features
- Single-needle lockstitch construction
- Long-arm design for large and bulky workpieces 760mmx175mm
- Straight stitch capability
- 2-point standard zigzag stitch
- 3-point multi-step zigzag stitch
- 4-point multi-step zigzag stitch
- Interchangeable cams for different stitch patterns
- Maximum stitch length up to 10 mm
- Maximum zigzag width up to 12 mm
- Standard bottom-feed mechanism
- Optional pneumatic rear puller feed
- Large-capacity semi-rotary barrel shuttle
- Suitable for heavy industrial sewing thread
- Pneumatic presser-foot lifting
- Pneumatic reverse feed and backtacking
- Up to 20 mm pneumatic presser-foot lift
- 760 mm working space to the right of the needle
- Standard-arm and high-arm versions available
- Suitable for heavy and extra-heavy technical textiles
Applications
The LZH-366-76-12 series is suitable for:
Sail manufacturing
Sail repair
Sail-panel joining
Sail-corner reinforcement
Reinforcement tape and webbing attachment
Heavy-duty tents
Tarpaulins
Truck covers
Industrial canvas covers
Awnings
Inflatable structures
Heavy coated fabrics
Technical textile products
Thick leather components
Heavy upholstery products
Suitable Materials
Heavy sailcloth
Polyester sail fabric
Heavy canvas
Coated fabric
PVC-coated textile
Tarpaulin material
Webbing
Synthetic leather
Genuine leather
Multi-layer technical textiles
Technical Textile Applications
The LZH-366-76-12 can also be used as a technical textile sewing machine for industrial covers, inflatable structures, coated textiles, reinforcement straps and other products requiring wide zigzag or multi-step stitching.
Multi-Step Zigzag Stitching
The machine can produce straight, 2-point, 3-point and 4-point zigzag lockstitches by using the corresponding mechanical cams.
A standard 2-point zigzag is suitable for general joining and reinforcement. The 3-point and 4-point zigzag patterns distribute the stitches over a wider area, making them useful for sails, elastic materials, patches and stress-bearing textile components.
3-Point Zigzag Stitch
As a 3 point zigzag sewing machine, the LZH-366-76-12 forms a multi-step stitch that helps spread seam tension across the material. It is suitable for sail reinforcement, webbing and flexible technical textiles.
4-Point Zigzag Stitch
The 4 point zigzag sewing machine configuration produces a wider multi-step stitch for reinforcement areas and materials requiring improved stress distribution.
Optional Rear Puller Feed
For coated, heavy or multi-layer materials, the LZH-366-76-12-P version is equipped with a pneumatic rear puller.
The puller assists the standard bottom-feed mechanism by drawing the material away from the needle area. This helps reduce material drag, improve feeding consistency and maintain stable stitch length during long sewing operations.
The puller version is recommended for:
Heavy sailcloth
PVC-coated fabric
Multi-layer canvas
Tarpaulins
Thick reinforcement sections
Long continuous seams
| Model | LZH-366-76-12 Series |
|---|---|
| Machine type | Long-arm extra-heavy-duty zigzag sewing machine |
| Number of needles | 1 |
| Stitch formation | Two-thread lockstitch |
| Stitch patterns | Straight, 2-point, 3-point and 4-point zigzag |
| Stitch-pattern selection | Interchangeable mechanical cams |
| Maximum sewing speed | Up to 800 stitches/min |
| Maximum stitch length | 10 mm |
| Maximum zigzag width | 12 mm |
| Feeding system | Bottom feed |
| Additional feeding | Optional pneumatic rear puller |
| Needle system | DY×3 |
| Standard needle size | #25 |
| Needle bar stroke | 50.8 mm |
| Shuttle | Large-capacity semi-rotary barrel shuttle |
| Presser-foot lift | Up to 20 mm, pneumatic |
| Reverse feed | Pneumatic |
| Material range | Heavy to extra-heavy materials |
| Lubrication | Manual |
| Air pressure | 0.6Mpa |
Available Models
| Model | Working Space | High-Arm Version | Rear Puller |
|---|---|---|---|
| LZH-366-76-12 | 760 × 175 mm | No | No |
| LZH-366-76-12-P | 760 × 175 mm | No | Yes |
| LZH-366-76-12HM | 760 × 275 mm | Yes | No |
| LZH-366-76-12HM-P | 760 × 275 mm | Yes | Yes |
How to Select the Right Model
Choose the LZH-366-76-12 for general long-arm zigzag sewing where standard bottom feed is sufficient.
Choose the LZH-366-76-12-P when thick, coated or multi-layer materials require additional feeding support from a rear puller.
Choose the LZH-366-76-12HM when large or bulky products require increased vertical clearance under the machine arm.
Choose the LZH-366-76-12HM-P when both increased vertical clearance and puller-assisted feeding are required, particularly for large sails and heavy technical textile products.
Keywords
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FAQ
What is the LZH-366-76-12 used for?
The LZH-366-76-12 is designed for sewing sails, tents, tarpaulins, awnings, heavy canvas products and other heavy technical textiles. Its long arm provides more space for handling large workpieces.
What stitch patterns can the machine produce?
The machine can produce straight stitches and 2-point, 3-point and 4-point zigzag lockstitches. Different zigzag patterns are selected by changing the mechanical cam.
What is the difference between 2-point, 3-point and 4-point zigzag?
A 2-point zigzag is a conventional zigzag stitch. A 3-point zigzag divides each side-to-side movement into additional stitches, while a 4-point zigzag provides an even wider multi-step reinforcement pattern. Multi-point zigzag stitches distribute stress over a larger area.
Is this a walking-foot sewing machine?
No. The standard configuration uses bottom feed. Models ending in "-P" are equipped with an optional rear puller to assist the feeding of thick and multi-layer materials.
What is the advantage of the rear puller?
The rear puller helps move heavy, coated or bulky materials away from the needle area. It reduces material drag and supports more consistent stitch formation during long sewing operations.
Is the machine suitable for sail manufacturing?
Yes. Its long working space, wide zigzag capability, long stitch length and heavy-thread capacity make it suitable for selected sail-panel seams, reinforcement patches, webbing attachment and sail repairs.
Can it sew lightweight sailcloth?
The machine is primarily designed for heavy and extra-heavy materials. Lightweight spinnaker cloth and delicate sail fabrics may be better processed with a medium-heavy zigzag sewing machine.
What is the maximum zigzag width?
The maximum zigzag width is 12 mm.
What is the maximum stitch length?
The maximum stitch length is 10 mm. The actual setting should be selected according to the material, thread and required seam strength.
What is the difference between the standard and HM versions?
The standard version provides a working space of 760 × 175 mm. The HM version increases the vertical clearance to approximately 275 mm, making it easier to handle bulky products.
What needle does the machine use?
The current specification uses the DY×3 needle system with a standard #25 needle. The final needle size should be selected according to the thread and material.
Does the machine require compressed air?
Yes. Pneumatic functions such as presser-foot lifting, reverse feed and the optional puller require a suitable compressed-air supply. The exact operating pressure should be confirmed before installation.
What information should customers provide before ordering?
Customers should provide:
Product type
Material specification
Total material thickness
Number of layers
Required zigzag pattern
Stitch length and zigzag width
Thread type and size
Requirement for a rear puller
Required arm height
Power supply and compressed-air conditions
Material samples for sewing tests
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