PRODUCT
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HIGH SPEED, 1-NEEDLE, UPPER & LOWER FEED SEWING MACHINE
- with AUTOMATIC THREAD TRIMMER
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■ MODEL CODE
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■ SPECIFICATION
MODEL | ST-640BL | ST-640BL-7 | |
Application | Heavy Materials | Heavy Materials | |
Stitch Form | Lock Stitch 1-Needle | Lock Stitch 1-Needle | |
Neeedle | DP x 17 (#14~#25) | DP x 17 (#14~#25) | |
Maximum sewing speed | 2,000 spm | 2,000 spm | |
Maximum Stitch length | 9.0 mm | 9.0 mm | |
Lift of the Presser Foot | Manual | 7.0 mm | 7.0 mm |
Auto | - | 12.6 mm | |
Thread Take-up Stroke | 67.0 mm | 67.0 mm | |
Needle Bar Stroke | 33.8 mm | 33.8 mm | |
Hook | Type | Rotary Hook | Rotary Hook |
Direction | Vertical | Vertical | |
Lubrication System | Automatic-Lubrication | Automatic-Lubrication | |
Auto Trimmer | X | O | |
Automatic Backtacking | X | O | |
Automatic Up Foot Lifter | X | X | |
Needle Up-Down | O (Saving Motor) / X (Clutch Motor) | O | |
Motor | Saving Motor / Clutch Motor | Direct Motor | |
Power | Single phase 220V | Single phase 220V |