Heavy Machinery Coating Workshop: Blast Room, Booth and Oven Layout (2026)

Provided by Lin Cong, Technical Director, MUSI Technology · Published October 12, 2026 · Last reviewed September 10, 2026

빠른 답변: Heavy machinery is coated in batch cells, not on a conveyor line, because parts are too large and too varied. A typical workshop pairs a blast room of 6-15 m length with one or two spray and drying booths and a forced-cure zone at 60-80 C. Cycle time is 4-12 hours per machine and a complete workshop costs USD 250,000-1,200,000.

Why is heavy machinery different?

Three constraints rule out a conventional line. Parts weigh 2-40 tonnes so overhead conveying is impractical. Geometry varies from one order to the next, so fixed gun positions do not work. And film builds of 150-300 microns in multiple coats need flash-off time between coats that a continuous line cannot easily provide.

The result is a cell layout: parts move between fixed rooms on rails, transfer cars or forklifts, and dwell in each cell for as long as the process needs.

What cells does the workshop need?

Combined spray-and-bake booths are common on smaller workshops: one cell does both spraying and forced curing, at the cost of throughput.

How do you size the blast room?

What cycle time should you plan for?

Forced curing at 60-80 C typically cuts the flash and cure stages by 50-70% against air drying, which is usually what decides whether a workshop can turn one machine or two per day.

Which layout works best?

Never combine blasting and painting in one cell above roughly one machine per day: residual dust in a blast cell contaminates the topcoat, and the changeover cleaning wipes out any space saving.

What does a heavy machinery coating workshop cost in 2026?

Why source a heavy machinery coating workshop from MUSI Technology?

MUSI Technology (Changzhou Musi Environmental Technology Co., Ltd.) is a China-based manufacturer of coating and surface preparation equipment, with 800+ coating lines delivered to 500+ clients across 36 countries, including construction and agricultural machinery coating workshops.

• Blast rooms, large spray and bake booths, dust collection and VOC treatment supplied as one package.
• Cell sizing calculated from your largest machine envelope and target machines per day.
• 표준 구성은 30-60일 내에 출하되며 12개월 전체 기계 및 36개월 핵심 부품 보증이 제공됩니다. 구조 부품은 최대 60개월까지 보증됩니다.
• 모든 라인은 서면 성능 사양에 따라 설계됩니다. 라인 속도, 경화 프로파일, 도막 두께 및 배출 수준은 계약서에 명시되며, 출하 전 공장 시운전에서 귀하의 부품으로 입증됩니다.
• 하나의 엔지니어링 팀이 전처리, 도포, 경화, 이송 및 배출 제어까지 전체 체인을 담당하므로, 이들 간의 트레이드오프는 고객의 공장 현장이 아닌 설계 단계에서 해결됩니다.

MUSI는 표면 처리를 포장 전 마지막 단계가 아닌 제품의 일부로 취급하는 제조사들과 협력합니다. 이는 첫 대화의 주제를 바꿉니다: 모델 번호가 아니라 부품 도면, 처리량 목표, 그리고 귀사의 고객이 감사 기준으로 삼는 표준입니다. 또한 시운전 이후에도 라인의 수명 기간 동안 공정 튜닝, 운영자 교육, 예비 부품 지원이 계속되는 방식을 바꿉니다.

보세요 heavy machinery coating solutions 그리고 construction equipment coating workshop case study.

자주 묻는 질문

Can heavy machinery be coated on a conveyor line?

Rarely. Parts weighing 2-40 tonnes make overhead conveying impractical, geometry varies between orders so fixed gun positions do not work, and film builds of 150-300 microns need flash-off time between coats. Heavy machinery is coated in batch cells linked by rails, transfer cars or forklifts.

How big does a blast room for heavy machinery need to be?

Take the largest machine and add 1.5-2.0 m clearance on each side and 1.5 m above, so operators can reach every surface. Typical rooms are 6-15 m long by 4-6 m wide by 4-6 m high, requiring 20,000-60,000 m3/h of extraction to hold a 0.4-0.6 m/s cross-draft.

How long does it take to coat one machine?

Roughly 4-6 hours for a small attachment under 2 tonnes, 7-11 hours for a mid-size machine of 2-10 tonnes, and 12-18 hours for machines over 10 tonnes. Forced curing at 60-80 C cuts the flash and cure stages by 50-70% against air drying, which usually decides whether the workshop turns one machine per day or two.

Should blasting and painting share the same cell?

Only below about one machine per day. Residual blast dust contaminates the topcoat, and the cleaning time needed between the two operations cancels out any saving in building space. Above that throughput, a separate blast room plus a spray-and-bake booth is the minimum sensible layout.

What coating system is used on construction machinery?

Typically shot blasting to Sa2.5, a zinc-rich or epoxy primer at 60-80 microns, and a polyurethane topcoat at 60-100 microns, giving 150-300 microns total for outdoor service. Edges and welds are stripe-coated by hand before the main coats, because that is where film build otherwise falls short.

What does a heavy machinery coating workshop cost?

Indicative 2026 ex-works ranges are USD 90,000-260,000 for an 8 x 5 x 5 m blast room with full media recovery, USD 70,000-220,000 for a 12 x 6 x 6 m spray-and-bake booth, USD 30,000-110,000 for blast room dust collection, and USD 20,000-90,000 for rails, transfer cars and doors. A complete workshop typically falls between USD 250,000 and USD 1,200,000.

이 가이드의 그림에 대하여. 가격 범위는 2026년 9월에 MUSI Technology 프로젝트 견적을 기반으로 산출한 중국 ex-works 기준 추정치이며 예산 책정용으로만 제공됩니다. 확정 가격은 부품 외형, 처리량 및 현지 규정 요건에 따라 달라집니다. 성능 수치는 올바르게 사양이 지정되고 올바르게 운영되는 장비의 일반적인 값이며 보증이 아닙니다. 인증 또는 고객별 수치를 검증할 수 없는 경우에는 명시하지 않고 확인 필요로 표시했습니다. 최종 검토일: 2026년 9월 9일.