What is the surface hardness of the gears?

The gears undergo induction hardening to achieve a surface hardness of 60-64 HRC.

What standards do your gears meet?

Our precision gears are built to DIN 6-AGMA 14 standards.

Premium Helical Gears for Superior Precision and Quiet Operation

Name: Premium Helical Gears for Superior Precision and Quiet Operation
Brand: Changzhou Zhihai Machinery Co., Ltd.
SKU: 2159645032

Jiangsu, ChinaChangzhou Zhihai Machinery Co., Ltd.

US$10.00-500.00

100 Pieces

Product specifications

Customizable

Product profile

Customization

Available

Application

Motor

Hardness

Hardened Tooth Surface

Model NO.

Customized

Gear Position

External Gear

Manufacturing Method

Rolling Gear

Toothed Portion Shape

Double Helical Gear

Material

Alloy Steel

Noise

Low Noises

Precision

High Precision

Surface Treatment

Quenching, Oil Immersed, Grinding

ODM/OEM

Support

Transport Package

Wooden Case

Specification

Customized

Trademark

Zhihai

Origin

China

Production Capacity

50000 Pieces/Year

Key features

High Precision & Low Noise: Near-silent transmission (<55 dB) with high precision for zero-error performance.

Durable Alloy Steel Construction: Resists pitting and wear under extreme loads with over 200 million cycles.

Wide Module Range: Available in modules from 0.2M (ultra-fine) to 8M (high-torque).

High Surface Hardness: Induction hardened to 60-64 HRC for superior durability and wear resistance.

OEM/ODM Support: Customization supported with professional design and processing solutions.

High Efficiency Transmission: Proprietary profiling ensures efficiency greater than 98.5%.

Versatile Applications: Suitable for surgical robots, aerospace actuators, and high-speed automation.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Changzhou Zhihai Machinery Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service AvailableAverage Response Time: ≤2.14h

AI-Powered supplier vetting

SummaryChangzhou Zhihai Machinery Co., Ltd. is presented as a precision gear and mechanical transmission component manufacturer providing research and development, production, sales, and customization services. It holds an ISO 9001:2015 certificate, reports new product development during the past year, and offers ODM and multiple customization modes. Its stated product range includes gears, racks, reducers, gearboxes, rotary tables, spindles, and related measuring or production equipment. The supplier reports written procedures for finished-product inspection, corrective and preventive actions, and customer complaint handling. It has exported for 10 years, with exports representing 41%–50% of total sales, and accepts several delivery and payment terms. Evidence of production capability exists through its stated manufacturing activities, but detailed capacity, equipment, output, and quality-performance data are not provided. Financial credibility cannot be assessed because the slices only identify reporting years...

Supplier typeThe supplier is identified as a professional manufacturer engaged in the R&D, production, and sales of precision gears and mechanical transmission components. Its registered business scope also includes CNC machine tools, machine-tool parts, motor manufacturing, software, and various trading activities, indicating a manufacturing-led supplier with a broad business scope.

CertificationsThe supplier holds an ISO 9001:2015 certificate for supplier management systems. This is explicit evidence of a certified quality-management system, although no additional certifications are listed.

After-Sales capabilityThe supplier reports written procedures and followed records for customer complaint handling, corrective and preventive actions, and service-capability assessment. It also states a one-month average lead time in both peak and off-season periods and accepts CIF, FOB, CFR, and EXW terms, supporting structured service and delivery processes.

R&D capabilityThe supplier states that it is technology-driven, conducts R&D, and has introduced new products during the past year. It also provides ODM services and broad design customization, although it does not have an available SDK and no detailed R&D resources, patents, or development metrics are provided.

Production capacityThe supplier describes itself as a manufacturer of precision gears and transmission components and lists CNC machine-tool manufacturing, machine-part processing, metal treatment, and general equipment manufacturing in its business scope. It also reports written and consistently followed finished-product inspection instructions, but production capacity, equipment quantity, throughput, and defect performance are not stated.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also states that customers can select and configure products according to technical requirements and engineering situations, providing strong evidence of customization capability.