S J Dimmock Engineering

Bedford, East of Englandest. 1985sjdimmockengineering.co.uk01582 602588

Top Barn Rectory Road, Steppingley, Bedford, MK45 5AT

About

Established in 1985 and based in Houghton Regis, Dunstable, SJ Dimmock Engineering Limited is a UK precision engineering company specialising in the design and manufacture of injection mould tools for the plastics industry, alongside general machining for low to medium batch production. They excel in achieving extremely tight tolerances of +/- 0.005mm and specific surface finishes, utilising advanced VISI CADCAM software and precision processes including CNC milling, CNC turning, CNC wire erosion, spark erosion, and surface grinding. Serving diverse sectors such as Automotive, Aerospace, Formula 1, Food and Drink, and Home and Leisure, their differentiator lies in the construction of durable moulds using high-quality materials, reflecting a philosophy rooted in founder expertise.

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SJ Dimmock Engineering Limited is a UK-based precision engineering company established in 1985, specialising in the design and manufacture of injection mould tools for the plastics industry, alongside general machining for low to medium batch production. Operating from Houghton Regis, Dunstable, the company prides itself on its ability to work to very tight tolerances of +/- 0.005mm and achieve specific surface finish requirements.

Their capabilities include advanced design using VISI CADCAM software and precision material removal through CNC milling, CNC turning, CNC wire erosion, spark erosion, and surface grinding. SJ Dimmock Engineering serves a diverse range of sectors, including Automotive, Aerospace, Formula 1 motor racing, Food and Drink, and Home and Leisure industries.

The company's philosophy, rooted in its founder's expertise, emphasizes the use of high-quality materials and the construction of durable moulds. While specific project details are not explicitly detailed, their gallery showcases a range of manufacturing processes and likely represents components, assemblies, or finished products for various industrial applications.

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CNC capability5

Sub-process
CAM software
CAD software
Tolerance (typical)
Tolerance (tight)

Materials & sectors1

Industries served

Services & production1

DFM support
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CNC capability: Specialist categories · Named machine brands · Tier-one builder presence · Aerospace-grade CAM · In-house design · Micro-machining · MOQ (minimum batch) · Lead time (weeks)

Materials & sectors: Materials

Certifications & approvals: ISO 9001 · ISO 14001 · AS9100 · ISO 13485 · IATF 16949 · NADCAP · Primes supplied · ITAR registered

Welding & fabrication: Welding automation · Welding materials · Coded welding (any) · Fabrication offered · Fabrication sub-categories · EN 1090 EXC level

Quality & traceability: NDT methods · Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · In-house toolroom · FAIR capability (AS9102)

Services & production: In-house finishing · Repeat orders (Kanban / VMI)