
Clamping and assembly fixtures, retrofit chucks as well as 4- and 5-axis CNC machining for industry and trade.

JuS Spanntechnik – Jelic & Sohn
Denkendorf · Justinus-Kerner-Str. 27, 73770New on Amplifa
About JuS Spanntechnik
JuS Spanntechnik – Jelic & Sohn is a family business founded in 1998 in Denkendorf that offers clamping fixtures, assembly fixtures and accessories for industrial and craft applications. The product range includes reconditioned and inspected retrofit chucks for lathes, clamping jaws as well as the rotating and swiveling safety assembly fixture SI-MON for workpieces up to 60 kg. In addition, the company offers CNC machining on 4- and 5-axis machines, contract honing and cylindrical grinding, as well as maintenance, repair, overhaul and retrofit of chucks, industrial assemblies and mounting units including a pickup service. Customized special solutions for clamping and assembly tasks round off the offering. Customers come from industry and trade, in particular from machining and machine tool engineering. The company headquarters is located at Justinus-Kerner-Straße 27 in Denkendorf near Stuttgart.
- Site
- Denkendorf
- Processes
- Honing (contract machining), Cylindrical grinding (contract machining), CNC machining 4-axis, CNC machining 5-axis (CNC milling), Assembly (assembly fixture SI-MON for assembling, soldering, welding, deburring of workpieces up to, Maintenance and repair of chucks, industrial assemblies and mounting units (including overhaul,, Retrofit chucks (reconditioned and inspected chucks for lathes), Maintenance & repair of chucks
- Materials
- Steel
- Certificates
- ISO 9001
- Founded
- 1998
- Industries
- Machining technology/machine tools, Industry, Trade
- 01
Honing (contract machining)
- 02
Cylindrical grinding
- 03
4- and 5-axis CNC machining
- 04
Maintenance, repair & retrofit of chucks
- 05
Assembly of industrial assemblies
- 06
Manufacture of clamping and assembly fixtures (SI-MON)
Materials & Processes
Steel
Material of the chucks, clamping jaws and assembly fixtures (unnamed in the catalog; components are steel constructions).
Locations

Denkendorf
DEManufacturing, service and sales
- Materials
- Steel
- 4-axis CNC machining
- 5-axis CNC milling machine
- Honing machine (contract machining)
- Cylindrical grinding machine
Products & Components


Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Honing (contract machining)Machining | – | – | – | – | – |
| Cylindrical grinding (contract machining)Machining | – | – | – | – | – |
| CNC machining 4-axisMachining | – | – | – | – | – |
| CNC machining 5-axis (CNC milling)Machining | – | – | – | – | – |
| Assembly (assembly fixture SI-MON for assembling, soldering, welding, deburring of workpieces up toAssembly | – | – | 60 kg | – | – |
| Maintenance and repair of chucks, industrial assemblies and mounting units (including overhaul,Assembly | – | – | – | – | – |
| Retrofit chucks (reconditioned and inspected chucks for lathes)Engineering | – | – | – | – | – |
11 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| SI-MON safety assembly fixture (rotating and swiveling, 360° rotatable, swivel range 90°, | JuS Spanntechnik SI-MON M2C60 (load capacity 60 kg, outreach length 600 mm, spring assistance 30 | – | Height-adjustable 840–1140 mm, swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture | JuS Spanntechnik SI-MON M1C60 (load capacity 60 kg, outreach length 600 mm, manual height | – | Height-adjustable 840–1140 mm, swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture (base plate on trolley) | JuS Spanntechnik SI-MON M2A50 (load capacity 50 kg, outreach length 450 mm, pneumatic | – | Height-adjustable 840–1140 mm, swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture (base plate on trolley, manual height adjustment) | JuS Spanntechnik SI-MON M1A50 (load capacity 50 kg, outreach length 450 mm) | – | Height-adjustable 840–1140 mm, swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture (can be mounted directly on workbench) | JuS Spanntechnik SI-MON M1T15 (load capacity 15 kg, outreach length 600 mm) | – | Swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture (extended base plate with leveling feet 800×800, pneumatic | JuS Spanntechnik SI-MON M1P60 (load capacity 60 kg, outreach length 650 mm) | – | Height-adjustable 840–1140 mm, swivel range 90°, 360° rotatable | – | Denkendorf |
| SI-MON safety assembly fixture | JuS Spanntechnik SI-MON M2T15 | – | – | – | Denkendorf |
| Chuck (retrofit, reconditioned and inspected) | Kitagawa BT206/2 | – | – | – | Denkendorf |
| Chuck (retrofit, reconditioned and inspected) | Forkardt 3NF 400 | – | – | – | Denkendorf |
| 4-axis CNC machining (machining) | – | – | – | – | Denkendorf |
| 5-axis CNC milling machine | – | – | – | – | Denkendorf |
Additional services
Quality
Reconditioned retrofit chucks are delivered inspected. Since no certificates are documented, no normative quality assurance evidence can be provided.
| Evidence | Denkendorf |
|---|---|
| ISO 9001 |
Company History
- 1998
Foundation of JuS – Jelic & Sohn by Georg Jelic; start with contract honing
- 2000
Expansion to include cylindrical grinding
- 2015
Marco Jelic brings CNC machining (soft machining and control technology) into the company
- 2019
Expansion to include repairs and overhauls of industrial assemblies and mounting units
- 2023
Introduction of the SI-MON safety assembly fixture