DAF-733-L30 Long-Arm Extra Heavy Duty Sewing Machine
The DAF-733-L30 is a single-needle long-arm top and bottom feed extra heavy duty sewing machine designed for sewing extremely thick materials and large workpieces. Featuring a 762 mm long working space, a maximum stitch length of 13 mm and a large-capacity shuttle hook, this machine is suitable for demanding industrial sewing applications involving thick leather, heavy upholstery materials, canvas and other bulky products. The top and bottom feed mechanism helps maintain material movement during sewing, while the extended working space provides greater flexibility when handling large or heavy workpieces. Typical applications include leather products, upholstery, safety belts, horse gear, canvas covers, sails, bonnets and bookbinding.
DAF-733-L30 Single Needle Long-Arm Extra Heavy Duty Sewing Machine
Product Overview
The DAF-733-L30 is a long-arm industrial sewing machine designed for extremely thick materials and large workpieces. Its top and bottom feed mechanism and extended working space make it suitable for demanding sewing operations where material handling and penetration through thick layers are important.
Key Features
1. Long-Arm Design
The machine provides a 762 mm long working space, offering room to handle bulky materials and larger assemblies during sewing.
2. Top and Bottom Feed
The top and bottom feed arrangement helps move the material through the sewing area. It is designed for heavy-duty applications involving thick materials and multiple layers.
3. Extra Heavy-Duty Sewing Capability
With a maximum stitch length of 13 mm, the machine is suitable for applications requiring long stitches in heavy materials. Actual suitability depends on material construction, thickness, thread and needle selection.
4. Large-Capacity Shuttle Hook
The machine uses a large-capacity shuttle hook, specified as KSP7-31 in the supplied technical data.
5. Adjustable Presser Foot Lift
The specified presser foot lift is 25 mm by hand and 32–38 mm by knee, providing clearance for handling thick workpieces.
Typical Applications
Heavy leather products
Sofa and furniture upholstery
Seat cushions and heavy upholstery assemblies
Safety belts and webbing-related products, subject to material and sewing tests
Horse gear and leather equipment
Canvas covers and tarpaulins
Sails and other heavy canvas products
Bonnets and selected heavy sewn products
Bookbinding
Technical Specifications:
|
Model |
DAF-733-L30 |
|
Machine type |
Single needle long-arm top and bottom feed extra heavy duty sewing machine |
|
Maximum sewing speed |
700 rpm |
|
Stitch length |
0–13 mm |
|
Presser foot lift by hand |
25 mm |
|
Presser foot lift by knee |
32–38 mm |
|
Shuttle hook |
Large-capacity shuttle hook, KSP7-31 |
|
Needle size |
SM × 1000, #28 |
|
Lubrication mode |
Manual |
|
Motor |
550 W clutch motor, 1,400 rpm |
|
Needle bar stroke |
75 mm |
|
Operating space |
762 × 250 mm |
Frequently Asked Questions
1. What is the DAF-733-L30 sewing machine used for?
The DAF-733-L30 is designed for extra heavy-duty sewing applications involving thick materials and large workpieces. Typical applications include leather products, heavy upholstery, canvas covers, sails and bookbinding.
2. What is the working space of the DAF-733-L30?
The supplied specification lists an operating space of 250 × 762 mm, including a 762 mm long working dimension.
3. What is the maximum stitch length?
The maximum stitch length is 13 mm, with a specified adjustment range of 0–13 mm.
4. What is the maximum sewing speed?
The specified maximum sewing speed is 700 rpm. The appropriate operating speed depends on the material, thread, needle and sewing conditions.
5. What feeding system does the DAF-733-L30 use?
The machine uses a top and bottom feed arrangement designed to help feed thick materials through the sewing area.
6. How high can the presser foot lift?
The specified presser foot lift is 25 mm by hand and 32–38 mm by knee.
7. What motor does the machine use?
The supplied specification lists a 550 W clutch motor with a rated speed of 1,400 rpm.
8. Can the DAF-733-L30 sew leather and canvas?
The machine is intended for demanding heavy-duty applications, including leather products and canvas products. For a particular material thickness or multilayer construction, suitability should be confirmed through sewing tests.
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