Sk 1790s High-Speed Computer Controlled Straight Button Holing Sewing Machine

The Maximum Button Hole Length:120mm2.Highest sewing speed:4200rpm3.Trimming:The trimming devices are controlled by the individual step motor,which enable to adjust the motion Of knife according to the actual condition.4.With the adjustment of tension solenoid.It is possible to meet the needs of different tension at the parallel part and bartack part Of buttonhole.5.Witrh LCD displayer,touch paneI operation,the entire works Of data setting,pattern editing and modification can be done via the operating boa rd.The operating boa rd also supports the most commonly used USB connector fo r transferring patte rns and updating the program.6.The system supports 30 patterns with different shapes and the fo rmat of patte rns gene rated patte rn-making softwa re.Additionally the capacity can expand to 99 patterns,which can be selected andedited via the operating board freely.Sewing speedMax. 4,200sti/min, Normal 3,600sti/min When the non-lubricated hook (optional) is used: 3,300sti/minSize of cloth cutting knife6.4~31.8mm(1/4"~1-1/4")6.4~25.4mmBartacking widthMax. 5.0mm (with special-specification part: Max. 10mm*)Max. 5.0mmButtonhole lengthMax. 41mm (optional: 70mm, 120mm)Max. 120mmMax. 220mmLift of the work clamp14mm (17mm when the reverse-rotation needle-up function is used)Parallel lifting 6mmNumber of standard patterns31 patternsNumber of patterns that can be inputMax. 99 patternsMachine head drive systemCompact AC servomotor (direct-drive system)Needle (at the time of delivery)DP×5(#11J)#11J~#14JHot products:Our exhibition:1. Delivery time:10-15 days if the goods are in stock, or 15-20 days if the goods are not in stock, need production, also according to the order quantity. 2. Payment terms:30% T/T in advance,the balance to be paid by B/L copy.If amount is less than USD10000, T/T 100% in advance is required. 3. OEM service: we accept OEM but need to meet below conditions:1.brand not being registered in china,2.provide your band registration certification,3.order amount is more than USD30000. 4.Warranty:1 year for mechanic parts and 1 to 3 years for electronic parts like motor, PCB board, depends on the electronic compoments suppliers. 5. Your inquiry related to our products or prices will be replied within 48 hours 6. Well-trained and experienced staffs to answer all your inquriy in fluent English. 7. Inspect the goods before sending shipment, Take pic for customer to confirm before your goods packed. 8. We respect your feedback after receive the goods 9. Protection of your sales area, ideas of design and all your private information.   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1