Learn how custom robot housings and protective enclosures are designed and fabricated to shield industrial robots from harsh factory environments while maintaining accessibility and safety.
What a Robot Housing Has to Achieve
Industrial robots represent significant capital investments, and their housings and protective enclosures play a crucial role in ensuring their longevity and performance. Robot housings must protect against dust, coolant, oil mist, temperature extremes, and physical impact while providing access for maintenance and programming. At Fulei Metal, we fabricate robot housings and protective enclosures for clients in automotive, electronics, and general manufacturing industries.
Need these made to your drawings? See our industrial robot housings — tolerance, coating and MOQ.
Robot Housing Functions
Robots operating in industrial environments face exposure to metal dust, coolant mist, oil spray, and welding spatter. Housings must prevent these contaminants from reaching sensitive robot components. Robots generate heat during operation, requiring housings with ventilation systems, fan mounts, or air conditioning integration. Robot housings must provide safe access for programming, maintenance, and emergency intervention, with access doors featuring safety interlocks meeting ISO 10218 standards.
Housing Types
Full enclosure housings completely surround the robot, used in harsh environments such as machining centers and foundries. Partial covers protect specific robot components such as wrist assemblies and cable bundles. Collaborative robot guards define the collaborative workspace and protect personnel, meeting ISO/TS 15066 standards.
Material Selection for Robot Cell Housings
Cold-rolled steel is standard for general industrial applications (1.5 to 2.5 mm). For food processing, pharmaceutical, and corrosive environments, stainless steel housings provide superior corrosion resistance and hygiene. Aluminum housings are used in portable robot systems or robots mounted on overhead tracks.
How Robot Housings Are Fabricated
Our TRUMPF fiber laser cuts housing panels, frame components, and mounting brackets with cutouts for cable entries, ventilation, viewing windows, and access panels. CNC press brake machines form complex geometries including return flanges, stiffening ribs, and gasket grooves. Housing frames are TIG or MIG welded, with continuous welds for sealed joints. Our assembly team installs hinges, locks, gaskets, windows, fans, filters, and cable management systems.
Field Notes: Robot Cell Housings and Guards
A robot cell housing is a safety structure before it is a sheet metal product, and the safety requirement changes the fabrication. Guards have to hold a defined clear opening so that a hand cannot reach through while the cell is running, which means the aperture size and the distance from the aperture to the hazard are both dimensions rather than details. Panels are then stiff enough that impact does not deflect them into the opening, and access doors are interlocked rather than merely latched. On the fabrication side the practical difficulties are panel flatness – a large welded guard panel pulls out of flat, and a bowed panel leaves a gap at the frame – and edge condition, because a guard is handled during maintenance and a laser cut edge on 2 mm steel will cut.
What to Send With a Robot Housing Enquiry
Industrial robot housing fabrication requires understanding of robot operation, environmental protection, and safety standards. Fulei Metal’s engineering expertise and manufacturing capabilities deliver robot housings that protect automation investments and reduce maintenance costs.
For OEM buyers the practical next step is a drawing review — see our DFM engineering review for what we need and how fast we turn it around. This work sits inside our custom metal enclosure manufacturing capability, and Industrial Control Cabinet Manufacturing Process explains the technical background in more detail.
Clearance, Reach and the Envelope the Housing Must Not Enter
A robot housing is designed around a volume that already belongs to something else. The robot’s working envelope is fixed by the cell layout, and the housing, the guards and any service platforms have to exist entirely outside it — including the swept volume of the tooling, the workpiece and the gripper, not just the arm. The most common error on this part type is a housing that clears the arm at rest and clips it at full extension.
That makes the robot’s swept-envelope drawing the first input, not an afterthought. Where a cell is being designed from scratch, the housing follows the envelope; where an existing cell is being enclosed, the housing has to be fitted to the envelope that exists, which usually means more panels, more transitions and a higher unit cost. Saying which situation applies on the enquiry saves a round of drawing revisions.
Can you work from our cell layout?
Yes — send the layout with the swept envelope marked and the access requirements listed. We build the housing and guards to that geometry; the risk assessment and any safety validation of the cell belong to the integrator or the end user.
Do you make the interlocked doors and the safety fencing?
We make the metalwork: panels, doors and frames with the openings and mounting provisions for interlocks specified. Interlocks, light curtains and the safety control logic are supplied and validated by the integrator.
Cable Dress, Access and Working Around a Robot
The second job of a robot housing is to stay out of the way of maintenance. Robot dress packs wear, tooling gets changed, and the cell has to be teachable — all of which need openings that are in the right places and covers that come off without a full strip-down. Where the housing also carries cable or ducting, the route has to allow the dress pack to move through its full range without chafing, which is a clearance question again, one level down.
Visibility matters as much as access. A cell that cannot be observed during teaching is a cell that gets taught with the door open, so glazing or mesh panels on the operator side are a functional requirement rather than a comfort — and they have to be specified to the same guarding duty as the solid panels around them.
Inspection follows the buyer drawing and the approved sample: panel geometry against the cell, opening positions, and coating or finish condition on the faces that will be seen. General tolerances are to ISO 2768 unless stated. Material and coating documentation ships with the batch — see traceability. Panels are packed with finished faces separated and apertures protected; for export consignments see export packaging standards.
Need a Similar Part?
Most enquiries that start on a page like this are not an order for Robot Housing Fabrication — 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.
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.
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 on request.
Before you send drawings: project confidentiality is default · 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.