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Automatic Thread Grinder with Lowest Price Sk7720d
US$50,000.00
1-4 Pieces
US$45,000.00
5-9 Pieces
US$40,000.00
10+ Pieces
Product profile
Customization
AvailableAfter-sales Service
Overseas ServiceWarranty
12 Months Since ShipmentModel NO.
SK7720DType
External Grinding MachineProcessing Object
ThreadAbrasives
Grinding WheelControlling Mode
CNCAutomatic Grade
AutomaticPrecision
High PrecisionCondition
NewApplication
Cylindrical Worms with Za, Zn, Zi, Zk, Zc1 ToothModel
Sk7720dService
Engineers Can Installation and TrainingMax.Mounting Diameter
200mmMax.Center Distance
750mmCenter Height
120mmGrinding Diameter
10-200mmMax.Grinding Length
650mmModule Range
1-12πHelix Angle
±40°Max.Lead
150mmWheel Spindle Speed
45m/STransport Package
It's Suitable for Long Distance TransportationSpecification
2660x2310x2800mmTrademark
RefineOrigin
ChinaProduction Capacity
100 Sets/YearKey features
Siemens Core Components: Equipped with Siemens linear, torque, and servo motors for high precision and stability.
High Precision Structure: Quality cast iron bed with multi-aging treatment and manual scraping for accuracy.
Worm Grinding Specialist: Designed for ZA, ZN, ZI, ZK, ZC1 profiles and other thread parts.
Flexible Customization: Custom configurations available upon request to meet specific needs.
Extended Warranty Option: Standard 12 months warranty with optional coverage up to 36 months.
Global After-Sales Support: 24/7 technical assistance, spare parts supply, and on-site/remote training.
Advanced Cooling System: Independent magnetic separator cooling with optional oil cooler for accuracy.
Multi-Axis Control: C and Z axes ganged for thread movement; X and Z for wheel dressing.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-09-30Nearest Port: Dalian Port, Qingdao Port, Tianjin PortAverage Response Time: ≤3.71hTerms 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 standard warranty period?
A:
The standard warranty is 12 months or 2,000 operating hours, whichever comes first. Extended warranty up to 36 months is optional.
Q:What types of threads can this machine grind?
A:
It is designed to grind worms with ZA, ZN, ZI, ZK, and ZC1 profiles, as well as other thread parts with corresponding soft programs.
Q:What are the key technical specifications?
A:
Max mounting diameter is 200mm, max center distance is 750mm, grinding diameter is 10-200mm, and max grinding length is 650mm.
Q:Which brand components are used in the machine?
A:
Key components include Siemens controllers and motors, INA linear guides, Rexroth drives, and imported angular encoders and bearings.
Q:Is customization available for this machine?
A:
Yes, custom configurations are available upon request. The machine can be tailored to meet specific application needs.
Send Inquiry
*To:
Dalian Refine Tech Co., Ltd.
Dalian Refine Tech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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