Precision machining, cylindrical grinding and complete component supply
Private to you. Nothing is shared with Rynkeby Maskinfabrik A/S automatically.
Engineering, supplementary operations, cleaning, outsourced finishes and forecast stock agreements.
View sourceDuplex grades, cast components, steels, aluminium and corrosion-resistant alloys.
View sourceIn-house broaching of components.
CMM verification and manufacturing documentation for supplied components.
CNC milling of prototypes and production components.
Chuck and bar turning for shafts, spindles and other cylindrical parts.
In-house assembly of machined components.
Laser engraving and acid marking are offered in-house for component identification.
Min/max stock agreements use customer forecasts; own or customer-supplied material and traceability can be arranged.
Honing through in-house and partner routes.
Internal and external cylindrical grinding of own-production and customer-supplied parts.
Partner coordination for coatings, heat treatment, anodising, electroplating, chrome/hard chrome and lapping.
Production technicians support design review, machining strategy, fixturing and early process-risk review.
Combined turning and milling with full five-axis simultaneous machining.
Prototype and small-series component machining.
In-house shot blasting for component surface preparation.
Ultrasonic cleaning and protective packaging of machined parts.
Danfoss
Technical collaboration on complex machined components with demanding requirements. Casper Sti Jakobsen of Danfoss highlights Rynkeby’s technical knowledge and early development involvement in finding workable solutions.
Johnson Controls
Johnson Controls sends complex components to Rynkeby and maintains close technical dialogue. Poul Schmidt highlights development involvement, operator competence and low deviations in the supplied work.
Babcock & Wilcox
Early review of customer drawings helps resolve manufacturing challenges. Mikkel Veisholt Knudsen of Babcock & Wilcox highlights Rynkeby’s proactive questions and collaboration in finding an appropriate solution.
ISO 9001
ISO 9001 quality-management certification for Rynkeby Maskinfabrik.
Aarbakke
Included in the company’s customer-and-partner list.
View sourceSvendborg Brakes
Included in the customer-and-partner list; the company history also places the start of this customer relationship in the 1980s.
View sourceANDRITZ
Included in the company’s customer-and-partner list.
View sourceTaarup - historical customer
A major customer from the late 1950s to the mid-1980s.
View sourceMAN B&W - historical customer
A customer gained during the 1980s.
View sourceVolvo - historical customer
A customer gained during the 1980s.
View sourceMicro Matic - historical customer
A customer gained during the 1980s.
View sourceGrundfos - historical customer
A customer gained during the 1980s.
View sourceBroen - historical customer
A customer gained during the 1980s.
View sourceVestas - historical customer
A customer gained during the 1980s.
View sourceEcoVadis Committed, March 2025
Committed recognition dated March 2025. This is a dated sustainability assessment badge; a newer rating period has not been established.
Rynkeby Maskinfabrik is a subcontract machining business serving machine builders from Rynkeby on Funen. It produces prototypes, small and medium series and repeat components through CNC milling, turning, multitask machining and cylindrical grinding, with particular experience in duplex grades and cast components. Buyers can combine machining with measurement documentation, assembly, marking, cleaning and packaging. Engineering support and forecast-based stock agreements support ongoing supply. Coatings, heat treatment and selected finishing processes are coordinated through external partners. Jacob Rasmussen founded the business in 1895. Its quality management is ISO 9001 certified.
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Updated Sep 13, 2026
