Injection molding of protective caps for screw connections in the automotive, wind power and rail industries, including in-house toolmaking.
Radolid Thiel GmbH
New on Amplifa
About Radolid
Radolid Thiel GmbH is a manufacturer of plastic protective caps for screw connections of all kinds and sizes. Using the injection molding process, the company produces protective caps for radial screw connections as well as screw caps for bolts and nuts, including the KSW and SKA wheel nut protective caps, the BM screw caps, the SW clamp cap and the HV protective cap. The products provide permanent protection for screw connections against wind, rain, UV radiation, de-icing salt, dirt and temperature fluctuations, and are used in the automotive industry, the wind power industry and the rail industry. The entire production machine fleet consists of injection molding machines from Arburg with clamping forces up to 500 tons; the partnership with Arburg has existed for more than 50 years. In addition, Radolid operates its own toolmaking department, which was expanded in 2021 with a DMG MORI CMX 800 V milling machining center including Mastercam software. Quality assurance has been supported by CAQ software since 2020; the company is certified to ISO 50001.
- Processes
- Injection molding (manufacture of protective caps for screw connections: KSW wheel nut protective, Toolmaking / milling (CMX 800 V milling machine, Mastercam from Camaix GmbH), Assembly/production of screw protective caps for the rail, wind power and automotive industries, Injection molding production of protective caps, Toolmaking, Quality management/CAQ
- Materials
- Plastic (protective caps, material not specified in detail), Injection Molding, Plastic, Toolmaking / Milling
- Certificates
- ISO 50001
- Industries
- Automotive, Wind power industry, Rail industry
- 01
Toolmaking
- 02
Injection Molding
- 03
Quality Management
- 04
Assembly
Materials and Processes
Injection Molding
Main process for manufacturing protective caps for screw connections, performed on Arburg machines with clamping forces up to 500 t.
Plastic
Material of the protective caps; not specified in detail.
Toolmaking / Milling
In-house tool manufacturing on a DMG MORI CMX 800 V with Mastercam software from Camaix GmbH.
Protective Caps
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Injection molding (manufacture of protective caps for screw connections: KSW wheel nut protectivePlastics | – | – | – | – | Plastic (not specified in detail) |
| Toolmaking / milling (CMX 800 V milling machine, Mastercam from Camaix GmbH)Machining | – | – | – | – | – |
| Assembly/production of screw protective caps for the rail, wind power and automotive industriesAssembly | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Milling machine / machining center (toolmaking) | DMG MORI CMX 800 V | 1 | – | 2021 | – |
| Injection molding machine | Arburg | several | – | – | – |
Additional services
Quality and Energy
Since 2020, the processes have been monitored and improved with CAQ software. The company is certified to ISO 50001 and was successfully recertified in the surveillance audit in 2026.
| Evidence | Company |
|---|---|
| ISO 50001 |
Company History
- 2019
New Arburg machine enables the production of larger caps.
- 2020
Introduction of the SKA wheel nut protective cap and introduction of CAQ software for quality assurance.
- 2020
Partnership with Arburg for over 50 years; entire machine fleet comes from Arburg, clamping forces up to 500 t.
- 2021
New product: HV protective cap.
- 2021
Machine fleet expansion in toolmaking with the DMG MORI CMX 800 V milling machine with Mastercam (Camaix GmbH).
- 2026
Successful ISO 50001 surveillance audit (recertification of energy management).