What is the precision of the inner hole?

The inner hole roundness is 0.005mm and surface roughness is Ra0.63um.

Does the machine come with a warranty?

The machine is new condition and comes with CE and ISO 9001 certifications.

CNC Deep Hole Internal Grinding Machine Tool

Name: CNC Deep Hole Internal Grinding Machine Tool
Brand: WUXI CHANGYI MACHINE TOOL CO., LTD.
SKU: 908335685

Jiangsu, ChinaWUXI CHANGYI MACHINE TOOL CO., LTD.

US$114,300.00

1 Piece

US$113,000.00

2+ Pieces

Product profile

Customization

Available

Type

Internal Grinding Machine

Processing Object

Deep Hole Work Piece

Model NO.

MKS-4

Abrasives

Grinding Wheel

Controlling Mode

CNC

Automatic Grade

Automatic

Cylindrical Grinder Type

Deep Hole Internal Grinding Machine

Precision

High Precision

Certification

CE, ISO 9001

Condition

New

Weight of Machine Tool

12500kg

Grinding ID Scope

20-200mm

Grinding ID Depth

1000mm

Inner Hole Roundness

20-2000mm

Max. Grinding Depth

1000mm

Roughness of Inner Surface

Ra0.63um

Transport Package

Waterproof Film Wrapped, Wooden Case Package

Specification

5300x2000x2500

Trademark

CHANGYI

Origin

Wuxi, China

HS Code

8460291100

Production Capacity

20 Sets Per Year

Key features

High Precision Grinding: Achieves inner hole roundness of 0.005mm and surface roughness Ra0.63um.

CNC Automatic Control: Features Siemens control system with automatic feed, dressing, and compensation.

Versatile Processing: Grinds internal round holes, step holes, cone holes, and end faces.

Wide Grinding Range: Handles inner diameters from 20mm to 200mm with depths up to 1000mm.

High Rigidity Structure: Built with wear-resistant cast iron and high precision rolling linear guides.

OEM and ODM Services: Offers full, minor, and flexible customization from samples or designs.

Quality Certification: CE and ISO 9001 certified with 100% visual and function inspection.

Efficient Speed Control: Stepless speed regulation up to 12000 r/min for internal grinding wheel.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceImporters and ExportersSelf-branded

WUXI CHANGYI MACHINE TOOL CO., LTD.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryWuxi Changyi Machine Tool Manufacturing Co., Ltd. is a machine-tool manufacturer producing equipment for cylindrical-hole, conical-bore, step-hole, surface-end, external, and centerless grinding applications. It reports broad customization and ODM capabilities, new product development within the past year, one national science and technology progress award, and OEM service for well-known brands. Manufacturing facilities include turning, drilling, milling, grinding, laser cutting, and spraying equipment, with stated annual productivity of 1,000 sets of internal and external grinding machines and five quality inspectors. The supplier has 19 years of export experience, exports 21%–30% of sales, and has participated in CIMT 2023. Quality procedures include finished-product inspection instructions, raw-material traceability, complaint handling, and corrective-action procedures. However, it has no overseas warehouse, showroom, agent, or branch, does not perform continuous batch quantity reconciliation, and the...

Supplier typeThe supplier is identified as a machine-tool manufacturer whose products cover cylindrical-hole, conical-bore, step-hole, surface-end, external, and centerless grinding applications. Its equipment is described as suitable for single-unit, small-batch, and large-batch production, including semi-automatic and fully automatic machine tools.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and holds one national science and technology progress award. It does not have an available SDK, but the reported product-development and award evidence supports innovation capability for machine-tool development.

Production capacityProduction resources include lathe, drilling, milling, grinding, laser-cutting, and spraying facilities, with stated annual productivity of 1,000 internal and external grinding machines and one production line. The supplier also describes products for single-unit through large-batch production; however, it does not continuously reconcile quantities for each batch or mass production, which is a production-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability and recent new-product development, providing direct evidence of broad customization capability.