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High-Accuracy CNC Internal Thread Grinder Factory Sk7620b
US$50,000.00
1-4 Pieces
US$45,000.00
5-9 Pieces
US$40,000.00
10-19 Pieces
US$30,000.00
20+ Pieces
Product profile
Customization
AvailableAfter-sales Service
Overseas ServiceWarranty
12 Months Since ShipmentModel NO.
SK7620BType
Internal Grinding MachineProcessing Object
ThreadAbrasives
Grinding WheelControlling Mode
CNCAutomatic Grade
AutomaticCylindrical Grinder Type
MetalPrecision
High PrecisionCondition
NewApplication
Cylindrical Worms with Za, Zn, Zi, Zk, Zc1 ToothModel
Sk7620bService
Engineers Can Installation and TrainingMax.Mounting Diameter
300 mmMax.Center Distance
200mmGrinding Diameter
25-200mmMax.Grinding Length
125mmModule Range
0.5-24mmHelix Angle
Left -12° Right +12°Thread Start Number
1-45Max.Wheel Linear Speed
24000 R/MinMax.Wheel Diameter
100mmMachine Size
2270×1550×2000mmMachine Weight
5000kgCNC System
SiemensTransport Package
It's Suitable for Long Distance TransportationSpecification
2300×1600×2000MMTrademark
RefineOrigin
ChinaProduction Capacity
100 Sets/YearKey features
High Precision CNC Control: Equipped with Siemens 840D system for 4-axis 3-linkage control.
Swiss IBAG Spindle: High-speed electric spindle with long service life and constant linear speed.
Automatic Helix Angle Adjustment: AC servo motor drives worm gear pair for automatic locking and adjustment.
Diamond Disc Dresser: CNC grinding wheel dresser with linked interpolation for various dressing types.
Superior Accuracy for Gauges: Designed for thread ring gauges with precision higher than SK7620A/C models.
Ball Screw Drive System: Uses ball screw for X-axis drive ensuring easy replacement and low maintenance.
Comprehensive Warranty: Standard 12 months or 2,000 hours; optional extended coverage up to 36 months.
Global Technical Support: 24/7 assistance, spare parts supply, and on-site or remote training available.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-09-30Nearest Port: Dalian Port, Qingdao Port, Tianjin PortAverage Response Time: ≤4.10hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryDalian Refine Tech Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It manufactures and supplies metal-processing machinery, including vertical lathes, CNC and manual lathes, boring machines, machining centers, gear hobbing machines, and radial drilling machines. The supplier reports ISO 9001 and ISO 14001 certification, 5 production lines, 11–20 quality-control staff, and 6–10 years of R&D-engineer experience. It states that 90% of sales are exports, exports to more than 60 countries, and has operated exports since 2013. The supplier describes one-stop service and production-problem support, but the provided information does not substantiate detailed after-sales procedures or customization examples. Customer evidence includes one recorded trade transaction and one named buyer, while broader customer references are not provided.
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, and describes itself as integrating R&D, production, and sales of machine tools for metal machining. Its listed business areas include industrial equipment, manufacturing machinery, and related tools.
CertificationsThe supplier reports holding ISO 14001 and ISO 9001 management-system certifications. These are explicit certification claims in the provided supplier information.
R&D capabilityThe supplier reports integrating R&D with production and sales, describes ongoing technological and management innovation, and lists 6–10 years of R&D-engineer experience. Its expanded product range includes CNC equipment, machining centers, boring machines, gear hobbing machines, and radial drilling machines, supporting an established technical-development capability.
Production capacityThe supplier identifies itself as a machine-tool manufacturer/factory, reports 5 production lines, and describes 15 years of specialization in vertical-lathe manufacturing. Its product scope covers multiple metal-processing machine categories, indicating established production breadth.
Client casesThe supplier states that its products have been exported to more than 60 countries, and one trade record identifies WELLTRON AUTOMATION as a buyer for a CNC machine. The provided evidence supports international customer reach, but only one named buyer and one recorded transaction are documented.
Product Q&A
Q:What is the precision accuracy for threads with a pitch of 6mm or less?
A:
Adjacent pitch error is 0.0025mm, 0.003mm at 25mm length, and 0.004mm at 100mm length.
Q:What is the difference between SK7620B and other models?
A:
SK7620B is designed for high-precision thread ring gauges, offering higher accuracy than SK7620A and SK7620C.
Q:How does the SK7620B drive system compare to linear motors?
A:
It uses ball screws which are easier to replace and maintain, whereas linear motors cannot be self-repaired.
Q:What is the standard warranty period?
A:
12 months or 2,000 operating hours, whichever comes first.
Q:Is extended warranty available?
A:
Yes, optional coverage is available up to 36 months.
Send Inquiry
*To:Dalian Refine Tech Co., Ltd.
Dalian Refine Tech Co., Ltd.*Content:
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