What Is a Sun Gear in a Planetary Gear System?
Understand the sun gear, planet gears, internal ring gear and carrier before specifying a replacement.
Sun gear technical guides
The articles answer the questions that most often block a planetary gear RFQ.
Sun Gear vs. Planet Gear vs. Ring Gear
Compare the three gear elements in a planetary stage and see which dimensions must match.
Sun Gear Module, DP and Pressure Angle
The pitch system and pressure angle must agree with the mating planet gears.
Sun Gear Tooth Count and Planetary Geometry
Why tooth counts, center distance and planet spacing must be considered together.
Splined Sun Gear Interfaces: What to Measure
Spline standard, tooth count, major/minor diameters, fit, length and datum relationships.
Sun Gear Shaft vs. Separate Sun Gear
When the sun gear is integrated with a shaft, bearing and drive-interface details become part of the gear drawing.
Sun Gear Materials and Heat Treatment: RFQ Checklist
Define material, hardness, case requirement and inspection from the duty and controlled drawing.
Sun Gear Backlash and Tooth Contact
Backlash is a system result involving the sun, planets, ring gear, bearing/support accuracy and tooth modifications.
How to Measure a Sun Gear for Replacement
A practical measurement checklist for old planetary components when the original drawing is missing.
Custom Sun Gear RFQ Inputs That Matter
A complete RFQ combines gear geometry, shaft/spline interface, duty, quality and commercial information.
询价
索取报价/发送询价单
Send the drawing, tooth data, mating-component information, duty and quantity. We will review the interface before quotation.
最小起订量按产品类型和订单总金额灵活调整。
样品新客户在零件和工艺合适时可以订购 1-5 件。
混合订单Different sun gear or related planetary-component models can be combined when the total order value is around USD 1,500 or above.
小订单1-2 件的订单可以商议，但通常单价会更高。
送货标准件：10-25个工作日。定制组件：20-45个工作日。项目设备：45-120个工作日。
贸易条款EXW、FOB、CIF 和 DAP 是常用的贸易条款。FCA、CFR、CPT、CIP 和 DDP 则需具体情况具体分析。
