

Overview
About Janssen & Feyen GmbH
Who we are
We manufacture for you in the areas of sawing, turning, milling, drilling, grinding, gear cutting and grooving. In all areas we have experienced employees who have been loyal to us since the company was founded. In order to preserve and pass on this experience, we regularly train successfully. Big and small, we can do both. Regardless of whether it is a small turned part or a large welded construction, we will manufacture it for you. Thanks to our wide range of machines, we have a high level of vertical integration, which enables us to offer our customers a wide range of components.
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Wiesmoor, Germany
Member since 2022
Employees50 - 100
Certificates1
Turnover5 - 10 Mil.
Year of foundation1994
Marketing documents
Competencies
Technologies
Gear Making
| Technologies | Lotsize | Length | Diameter | Weight |
|---|---|---|---|---|
Cylindrical gear / spur gear | from 0 | from 0 mm | from 0 mm | — |
Sprocket (wheel) | 1–2,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 kg |
Cogged belt pulley | 1–2,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 kg |
Welding
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 1–25 | 0–1,000 mm | 0–1,000 mm | 0–1,000 mm | 0–25 kg |
Turning
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Turning | 1–1,000 | 10–3,000 mm | — | — | 10–600 mm | — |
Automatic turning (bar) | 1–500 | 0–800 mm | — | — | from 10 mm | — |
Full-range turning (including milling) | 1–500 | 10–3,000 mm | — | — | 10–600 mm | — |
Hard turning | 1–100 | 10–1,000 mm | — | — | 10–500 mm | — |
Broaching | 1–500 | 10–600 mm | — | — | 10–400 mm | — |
Deep-hole drilling | 1–500 | 10–600 mm | 10–700 mm | 10–700 mm | 10–500 mm | 0–500 kg |
Shaft machining | 1–500 | 10–3,000 mm | — | — | 10–350 mm | 0–1,000 kg |
Jigmaking
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Drilling / milling jigs | 1–3,500 mm | 1–800 mm | 1–500 mm | 0–1,000 kg |
Welding jigs | 1–3,500 mm | 1–800 mm | 1–700 mm | 0–1,000 kg |
Clamping devices | 1–3,500 mm | 1–800 mm | 1–700 mm | 0–1,000 kg |
Finishing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
External cylindrical grinding | 1–100 | from 0 mm | — | — | from 0 mm | — |
Surface grinding machine | 1–200 | 1–1,000 mm | 1–300 mm | 1–100 mm | — | 0–50 kg |
Rotofinishing, barrel finishing | 1–1,000 | 1–50 mm | 1–50 mm | 1–50 mm | — | — |
Surface Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Anodizing | 1–1,000 | 1–2,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Blacking | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Chromatizing | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Phosphatizing | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Sand blasting | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Chrome-plating | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Nickel plating | 1–1,000 | 1–2,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–500 kg | — |
Galvanizing | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg | 1–500 mm |
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 0–2,500 mm | 0–2,500 mm | 0–2,500 mm | 0–500 kg |
Heat Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Case hardening/surface hardening | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Flame-hardening | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Annealing | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Hardening | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Induction hardening | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Milling
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Milling | 1–1,000 | 2–3,500 mm | 5–1,000 mm | 2–1,000 mm | — | — |
5-axis milling machines | 1–1,000 | 10–3,000 mm | 10–1,000 mm | 10–900 mm | — | — |
Form milling (3 D) | 1–100 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | — |
Full-range milling (including turning) | 1–500 | 100–1,000 mm | 100–1,000 mm | 100–900 mm | 10–500 mm | — |
HSC milling | 1–500 | 10–1,000 mm | 10–1,000 mm | 10–1,000 mm | — | 0–1,000 kg |
Mould construction
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Extrusion dies | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 0–1,000 kg |
Blow moulds | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 0–1,000 kg |
Labelling / marking
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Engraver milling | 1–1,000 | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | 1–500 mm | 0–500 kg |
Drilling / Sawing
| Technologies | Lotsize | Length | Width | Height | Diameter |
|---|---|---|---|---|---|
Sawing | 1–1,000 | 1–3,000 mm | 1–460 mm | 1–460 mm | 1–460 mm |
Materials
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Advanced Materials
Nickel alloy (Inconel, Monel, Hastelloy)
Cast metals
Cast steelCast iron
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Industries
Paper and printing machinery industryDrive and gear engineeringAerospace and aviation industrySpecial purpose machinery manufacturingMechanical engineeringPackaging industryMachine tool manufacturingBuilding, agricultural and forestry machinery manufacturing
Certificates
No certificates
Parts & Machines
Parts (6)
1 / 6

Motorgehäuse
Technology5-axis milling machines
MaterialAluminium and aluminium alloys
Dimensions
Height300 mm
Width120 mm
Length600 mm
Lotsize1
ComplexityMedium
2 / 6

Schaufel
Technology5-axis milling machines
MaterialCast iron
Dimensions
Length300 mm
Width250 mm
Height250 mm
Lotsize5
ComplexityMedium
3 / 6

Zahnriemenrad
TechnologyFull-range turning (including milling)
MaterialSteel
Dimensions
Length1000 mm
Diameter250 mm
Lotsize20
ComplexityLow
4 / 6

Flansch
TechnologyFull-range turning (including milling)
MaterialSteel
Dimensions
Diameter200 mm
Length500 mm
Lotsize5
ComplexityMedium
IndustriesBuilding, agricultural and forestry machinery manufacturing
5 / 6

Rotorgehäuse
TechnologyFull-range turning (including milling)
MaterialCast metals
Dimensions
Diameter300 mm
Length240 mm
Lotsize10
ComplexityMedium
6 / 6

Maschinenkörper
Technology5-axis milling machines
MaterialSteel
Dimensions
Height160 mm
Width500 mm
Length900 mm
Lotsize0
Machinery (1)
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CTX 2000
ManufacturerDMG
Control-
6 Parts
5-axis milling machines3
Full-range turning (including milling)3
1 Machinery
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