SINOF Insights

Gear Sourcing Insights

Practical engineering and sourcing guidance for drawing-led custom gear projects.

Precision-machined spur gear used for a custom gear RFQ review

RFQ Preparation

What Information Is Needed for a Custom Gear RFQ?

A complete RFQ helps engineering teams review feasibility, choose a manufacturing route, and quote the same technical scope that the buyer expects to receive.

7 min read ·

Close-up comparison context for helical and spur gear tooth forms

Gear Selection

Spur Gear vs Helical Gear: How to Choose

Spur gears are simple and efficient, while helical gears offer smoother tooth engagement. The right choice depends on the complete transmission, not one advantage alone.

7 min read ·

Gear inspection equipment used to evaluate accuracy characteristics

Quality & Inspection

ISO 1328 and GB/T 10095 Gear Accuracy Grades Explained

A gear accuracy grade is not a complete performance specification. Buyers and suppliers still need to agree the edition, characteristics, measurement method, and acceptance records.

8 min read ·

Machined steel gear shaft illustrating material and heat-treatment decisions

Materials & Processes

Custom Gear Materials and Heat Treatment Options

Material and heat treatment must be selected together. Load, wear, impact, environment, section size, distortion risk, finishing, and documentation all affect the route.

9 min read ·

Have a gear drawing ready for review?

Send the drawing, quantity, material, accuracy target, and application context.

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