Seeder Component
SKU: FL-AK-006
Precision seeder components. Galvanized steel, corrosion-resistant.
| Material | Galvanized steel (Q235) |
|---|---|
| Manufacturing Process | Laser cutting + bending + welding + galvanizing |
| Surface Finish | Hot-dip galvanized |
| Tolerance | ±0.5mm |
| Dimensions | Custom per seeder model |
| Tolerance | ±0.5mm |
| Finish | Hot-dip galvanized |
| MOQ | 30 units |
| Lead Time | Quoted after drawing review and process confirmation |
| Sample Time | Quoted after drawing review and process confirmation |
| Sample Fee | USD 150 |
| Price Range | USD 80-220/unit |
| Applications | Seeders, planting equipment |
| Compliance | ISO 9001 |
| Export Markets | USA, Germany, Australia |
Seeders and planters require precision components that dispense seeds at accurate rates and depths. Sheet metal components form seed hoppers, metering housings, and furrow openers that must maintain dimensional accuracy for consistent planting.
Seeder Component Types
Seed hopper components store seeds and direct them to metering mechanisms. Metering housing components enclose seed metering mechanisms that dispense seeds at controlled rates. Furrow opener components create seed trenches in soil. Press wheel components press soil over planted seeds. Seed tube components direct seeds from metering mechanisms to furrows. Marker arm components mark pass boundaries for accurate overlap control.
Why Seeder Parts Are Galvanized
Galvanized steel provides cost-effective components with corrosion resistance against soil moisture and fertilizer. We use 1.5 to 3.0 mm sheet. Stainless steel (grade 304) provides premium components with superior corrosion resistance and smooth seed-contact surfaces. Aluminum provides weight reduction for hopper components where mass affects planter operation. Powder coating provides additional corrosion protection and color identification. All seed-contact surfaces must be smooth to prevent seed damage and bridging.
Design Considerations Across Two Seasons
Seed-contact surfaces must be smooth to prevent seed damage and flow blockage. Metering housings must maintain precise dimensions for accurate seed metering. Components must withstand vibration from field operation and contact with soil and rocks. Corrosion protection must resist soil moisture, fertilizers, and seed treatments. Designs must provide access for cleaning and maintenance. All edges must be smooth for safety. Components must be compatible with standard seed sizes and types.
How Seeder Components Are Fabricated
Our TRUMPF fiber laser cuts hopper panels, housing components, and bracket plates from flat sheet stock with precise dimensions for seed flow. CNC press brake machines form hopper profiles, housing shapes, and mounting brackets with smooth interior surfaces. Component assembly uses MIG welding for galvanized steel and TIG welding for stainless steel, with all seed-contact welds ground smooth. Surface treatments include galvanizing, powder coating, and electropolishing.
Field Notes: Seeder and Planter Components
Seeding equipment runs in abrasive soil, at speed, for a short and unforgiving season, and the parts that give trouble are the ones in the soil rather than the ones on the frame. Abrasive wear is a surface phenomenon, so the answer is a material or a surface treatment chosen for wear rather than a heavier section, and the wearing parts are designed to be replaceable rather than to last forever. On the frame side, the recurring requirement is adjustment: row spacing, depth and prescription change between crops and between fields, so the mounting provisions are made adjustable and the adjustment is designed to hold its setting under vibration. Coating is the other practical issue – a seeder is washed down at the end of a season and left, so parts that stay outdoors are usually galvanized, and any site drilling should be planned into the design.
Seeder components live in two worlds at once: they are precision parts during the planting season and stored outdoors for the other nine months. The fabrication has to satisfy the first without being destroyed by the second.
What Seeder Parts Have to Survive
The components on this page are Q235, laser cut, formed, welded and hot-dip galvanized. Galvanizing is not a finish choice here — it is the storage strategy. A seeder sits in a shed through winter, often damp, and a painted part begins rusting at the weld seams and the cut edges within a season. Hot-dip galvanizing covers both, including the inside of box sections that cannot be painted.
The precision side is about the seed metering and the furrow geometry. Openers, seed tubes and their mounts have to hold a relationship to the ground and to each other; a bracket that bends a few degrees changes seeding depth. That is why the fixtures for this part type are built around the mounting interfaces and the functional geometry rather than around the outer shape.
Decisions That Affect Both Seasons
- Galvanizing before or after welding — the whole assembly is galvanized after welding. Anything threaded has to be either oversized before coating or tapped after, and that has to be decided before the parts are made.
- Vent and drain holes — a sealed box section will burst in the galvanizing bath. The holes are a process requirement and a drawing requirement at the same time.
- Wear surfaces — where soil slides across the part, coating is not the answer; section thickness and material choice are.
- Fit-up to the seeder frame — mounting patterns vary by manufacturer and model year. Confirm against the actual frame.
These belong in the DFM review that runs with the quotation, because several of them change the drawing rather than the process.
How Seeder Components Are Made and Checked
Laser cutting, CNC bending, welding and hot-dip galvanizing. Fit-up is the recurring risk on agricultural assemblies, which rarely have machined datums — parts are tried together on the fixture before batch settings are fixed. Inspection follows the buyer drawing and the approved sample, with general tolerances to ISO 2768 unless otherwise stated; coating is checked for coverage and for damage at the handling points.
Batch documentation records the material and the coating — see traceability. Packing is planned for the season: parts are separated and labelled so a replacement can be identified in a shed rather than sorted out in a workshop. For export consignments see export packaging standards.
Can you galvanize to a specified coating thickness?
Yes — state the requirement on the drawing and we work to it. Where no figure is given, coating follows the bath’s natural thickness for that steel thickness, which we record per batch.
Do you make the wear parts as well?
We make the fabricated components. Wear parts that are cast or hardened are normally bought by the machine builder; tell us which category each item falls into and we will say plainly what we can produce.
What to Send for Seeder Component Pricing
Drawing or sample, material and coating, quantity split across the season, and the destination market.
Payment Terms
How a project is paid for is agreed before production starts, and the structure that applies to your order is stated on the quotation and on the order confirmation, so there is no ambiguity later.
- 30% advance payment with the order and the 70% balance before shipment — our standard structure.
- 70% advance payment with the order and the 30% balance before shipment — used for some projects.
- 100% payment in advance before production starts — used for some projects.
If your finance team works to a fixed structure, say so in the first enquiry and we will confirm what applies to your order before you commit. Request a quotation.
Questions buyers ask before sending drawings
The questions that come up most often before a project starts, answered the way we answer them by email.
What do you need from me to quote Seeder Component?
2D drawings as PDF, DWG or DXF, or 3D files as STEP, IGES or SolidWorks, together with material grade, sheet thickness, surface finish, quantity and destination country. If the drawing is not finished yet, send a photo, a sketch or the existing part instead — we review what can be measured from it and reply with the questions that still need answering.
How long does a quotation take?
Enquiries are answered within one business day. Simple laser-cut and bent parts are quoted within 24 hours. Welded frames, assembled units and multi-part structures are quoted after the drawing review and process confirmation, and the date is confirmed in our reply.
Is there a minimum order quantity?
Prototypes are made from a single piece and small batches of 10–50 pieces are routine. Prototype, first batch and repeat volume are quoted together so the numbers stay consistent as the project scales.
Can you work from a sample or a photo if I have no drawing?
Yes. Send the part itself, clear photographs with a rule or caliper in frame, or a dimensioned sketch. We measure what can be measured, list what is still undefined, and confirm it with you before production.
Need a Similar Part?
Most enquiries that start on a page like this are not an order for Seeder Component — they are a search for a factory that can make something like it. Send us your drawing, 3D model or sample and we will review the manufacturing process and the quotation requirements, then come back with a process plan, a price and a lead time.
We work from 2D drawings, STEP / DWG / DXF / PDF files, or a physical sample if that is all you have.
No complete drawings yet? Describe the part, send photos or a sketch, or send a sample — we can start from there. Discuss your project.
Trade Terms and Delivery
We quote under the standard Incoterms your logistics team already works with, and build the packing and documentation around the one you choose.
- EXW — you collect from our Ningbo facility and run export clearance through your own forwarder.
- FOB Ningbo — we deliver to the vessel at Ningbo port and handle export clearance.
- CIF — we cover carriage and insurance to your named destination port.
- DDP — we handle carriage, insurance, import clearance and duties through to your door.
Send your destination country, target delivery date and preferred trade term together with the drawing. Request a quotation.
Quotation Time
We quote from your drawings. How long that takes depends on what the part asks for:
- Simple parts — quoted within 24 hours. Laser-cut blanks and bent components, supplied with complete 2D or 3D drawings. Mon–Fri, GMT+8.
- Complex assemblies — quoted after the drawing review. Payment kiosks, multi-part welded frames, enclosures with purchased hardware, or anything needing a coating or assembly trial. We confirm a quotation date once the scope is clear.
Production lead time is quoted separately, after drawing review and process confirmation. Send your drawings.
What stands behind this quotation
- Manufacturing since 20162,500 m² Ningbo plant — 3 laser cutting machines (including newer TRUMPF), 4 CNC press brakes and 10 welding stations.
- Shipped to more than 30 export marketsEnclosures, cabinets and formed parts supplied to OEM buyers across Europe, North America and Asia.
- 123 documented product casesMedical device housings, HVAC and heat pump enclosures, agricultural and livestock equipment, industrial hydraulics, material handling trolleys and EV charging cabinets.
- Factory evidence you can checkTUV Rheinland audit reference MIC-ASI243729 and Bureau Veritas reference MIC-ASR263630 available for buyer review under NDA.
Before you send drawings: an NDA is signed on request · first-article inspection is carried out before a batch continues · pricing is staged from prototype quantity to repeat volume · pre-shipment photos and packing records are prepared when the project needs them.