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KNOWLEDGE

Sun Gear vs. Planet Gear vs. Ring Gear

The sun gear, planet gear and ring gear share the same planetary mesh but have different roles and manufacturing features.

Technical GuidePlanetary GearPermintaan Penawaran (RFQ)
Sun Gear vs. Planet Gear vs. Ring Gear

Roda gigi matahari

The central external gear. It often carries a shaft or spline interface and may see high rotational speed.

Planet gear

External gears mounted on the carrier. Multiple planets divide load, so tooth geometry and carrier accuracy affect load sharing.

Ring gear

The internal gear surrounding the planets. Internal tooth geometry and concentricity must match the same planetary center-distance relationship.

Use the drawing as the controlled record

A technical guide can explain which variables matter, but the final sun gear must be approved from the actual drawing and operating requirement.

If a value is missing, identify it for confirmation instead of copying a dimension or material from a different supplier or gear family.

Sun Gear vs. Planet Gear vs. Ring Gear technical context

Daftar periksa RFQ

Send the sun gear drawing or measured tooth data, mating planet/ring information, interface dimensions, material/process requirements, duty, quantity and destination.

Deeper buyer guidance

Sun, planet and ring gears use related tooth geometry but have different interfaces, load paths and manufacturing constraints.

For new designs, use the complete planetary geometry and functional datums before deciding the process route. For replacement work, use photos and equipment references for context but let measured tooth and interface data control the new part.

Deeper buyer guidance

What to control on the RFQ or drawing

Barang What to define
Planetary mesh Sun, planet and ring tooth data plus planet count when known.
Center interface Bore, key, spline or shaft features with functional datums.
Operating duty Rated/peak torque, speed, reversals/shock, life and environment.
Material/process Controlled material, heat treatment, finish and coating requirements.
Acceptance Gear/runout/dimensional checks and required documentation.

Pertanyaan yang sering diajukan

Can a visual match confirm interchangeability?

No. Similar outside dimensions can hide different pitch systems, pressure angles, profile shift or interface fits.

Should mating gear data be included?

Yes whenever available, because planetary geometry is easier to verify as a system.

What if a value is unknown?

Mark it as open and provide the available sample, mating component or application data rather than guessing.

Permintaan Penawaran (RFQ)

Minta Penawaran / Kirim Permintaan Penawaran

Kirimkan gambar, data gigi, informasi komponen pasangannya, bea masuk, dan kuantitas. Kami akan meninjau antarmuka sebelum memberikan penawaran.

Kirim Permintaan Penawaran (RFQ)

MOQFleksibel berdasarkan jenis produk dan nilai total pesanan.
SampelPelanggan baru dapat memesan 1-5 buah jika suku cadang dan prosesnya sesuai.
Pesanan campurBerbagai model roda gigi matahari atau komponen planet terkait dapat dikombinasikan jika total nilai pesanan sekitar USD 1.500 atau lebih.
Pesanan kecilPemesanan mulai dari 1-2 buah dapat dibicarakan, biasanya dengan biaya satuan yang lebih tinggi.
PengirimanKomponen standar: 10-25 hari kerja. Komponen khusus: 20-45 hari kerja. Peralatan proyek: 45-120 hari kerja.
Syarat perdaganganEXW, FOB, CIF, dan DAP umumnya didukung. FCA, CFR, CPT, CIP, dan DDP dapat dibahas berdasarkan kasus per kasus.