Is customization available for this machine?

Yes, custom configurations are available upon request to suit specific application requirements.

What technical support is provided?

We offer 24/7 technical assistance, spare parts supply, and on-site or remote operation and maintenance training.

What is the maximum grinding length?

The maximum grinding length for the SK7720B model is 650mm.

External Thread Grinding Machine Manufacturer Sk7720b

Name: External Thread Grinding Machine Manufacturer Sk7720b
Brand: Dalian Refine Tech Co., Ltd.
SKU: 1981025861

Liaoning, ChinaDalian Refine Tech Co., Ltd.

US$50,000.00

1-4 Pieces

US$45,000.00

5-9 Pieces

US$40,000.00

10+ Pieces

Product profile

Customization

Available

After-sales Service

Overseas Service

Warranty

12 Months Since Shipment

Model NO.

SK7720B

Type

External Grinding Machine

Processing Object

Thread

Abrasives

Grinding Wheel

Controlling Mode

CNC

Automatic Grade

Automatic

Precision

High Precision

Condition

New

Application

Cylindrical Worms with Za, Zn, Zi, Zk, Zc1 Tooth

Model

Sk7720b

Service

Engineers Can Installation and Training

Max.Mounting Diameter

200mm

Max.Center Distance

750mm

Center Height

120mm

Grinding Diameter

10-200mm

Max.Grinding Length

650mm

Module Range

1-12π

Helix Angle

±40°

Max.Lead

150mm

Wheel Spindle Speed

45m/S

Transport Package

It's Suitable for Long Distance Transportation

Specification

2660x2310x2800mm

Trademark

Refine

Origin

China

Production Capacity

100 Sets/Year

Key features

High Precision CNC Control: Siemens 828D system with imported linear scales and angular encoders for accurate thread grinding.

Robust Cast Iron Structure: High-strength iron casting with aging treatment and manual scraping ensures long-term stability.

Premium Imported Components: Uses imported precision bearings, INA linear guides, and Rexroth drives for high reliability.

Versatile Thread Grinding: Specialized for cylindrical worms (ZA, Zn, Zi, Zk, Zc1) and other thread parts with soft programs.

Clean Operation Environment: Full-closed housing and high-efficiency oil processor with magnetic separator for coolant filtration.

Flexible Customization: Custom configurations available upon request to meet specific industrial application needs.

Comprehensive After-Sales: 12-month warranty, 24/7 global support, and optional extended warranty up to 36 months.

Advanced Axis Configuration: Multi-axis control (C, Z, X, V, W, A, SP1, SP2) for complex thread and dressing movements.

Company profile

Dalian Refine Tech Co., Ltd.

Liaoning, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-09-30Nearest Port: Dalian Port, Qingdao Port, Tianjin PortAverage Response Time: ≤3.82hTerms 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.