CNC Internal Thread Grinder Machine for Ball Screw Grinding

SK7620C is a precision internal thread grinding machine for grinding double-arc ball tracks of steering worm nuts.Application industryΔ Reducer Industry Δ Ballscrew Industry Δ Tooling & Measuring Industry Δ Automobile Industry Δ Air compressor IndustryMax. work-piece length200mmMax. grinding diameter200mmMin. grinding diameter22mmMax. grinding length125mmPitch range1~24mmLead angle range±12°Thread start number1-45(any)Max.wheel spindle speed24000r/minMax. wheel diameterφ100mmMin.wheel diameterφ20mmMain machine net weightApprox. 5000kgMain machine net dimension2300*1600*2000mmGrinding pitch accuracy obtainablePitch error0.003mmAccumulated pitch error over 25mm0.005mmAccumulated pitch error over 100mm0.008mmPitch diameter variation 0.01mmSurface roughness Ra0.32um* The minimum grinding diameter 22mm is recommended diameter considering wheel spindle max. speed.                           Four wire internal thread                                                Tee piece internal thread                                                cup lid internal thread                       Reducer internal thread                                                         Ballscrew internal thread                                               Tooling & Measuring  internal thread You can click on the image above for details.Q:What's your payment terms?A:T/T,L/C,Paypal,Western Union etc.Q:How long is the product warranty?A: 24 monthsQ: Are you a trading company or a manufacturer?A: We are a professional manufacturer. Our products have been exported to Asia, South America, Africa, and have developed a good world wide reputation.  Q: What kind of product certification do you have?A: All our products have passed ISO9001 and CE certifications. We have strict quality inspection process before leaving our factory in order to offer the best quality machines to our customers.Q: Do you have after sales service?A: Yes, we have special service team which will offer you professional guidance, or On-site installation in customer Factory.Q: Do you test all your goods before delivery?A: Yes, we have strict quality inspection process including a load test for every machine before leaving our factory./* 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