Manufacture of control blocks, connecting plates and special valves for oil hydraulic systems, from one-off production to series production
Weidemann GmbH
75334 Straubenhardt · GermanyNew on Amplifa
About Weidemann Hydraulik
Since 1974, Weidemann GmbH has been developing and manufacturing hydraulic valves, connecting plates, intermediate plates, manifold connecting plates and custom control blocks for oil hydraulic systems. The owner-managed family company in Straubenhardt (Baden-Württemberg) employs more than 40 staff and covers the entire value chain: consulting and 3D design, machining, surface coating, cleaning, assembly and functional testing on in-house valve test benches. Production is carried out in steel, cast iron and aluminium in quantities ranging from 1 to 1,000 blocks/year or up to 10,000 valves/year; control blocks up to 10 tonnes unit weight. Special valves are manufactured in nominal sizes NG3 to NG63 with electrical, pneumatic, hydraulic or mechanical actuation. Products are supplied to machine tool construction, test bench engineering, plant engineering, rolling mills, presses, foundry machinery, mobile hydraulics, vehicle engineering, shipbuilding and mining. Since 2018, the company has also carried the mecabor standard programme of hydraulic standard plates (cetop 3/NG6 to cetop 8/NG25).
- Site
- Straubenhardt
- Processes
- Design of control blocks, plates and valves (3D CAD, NVENTOR, Mechanical, MDTools,, One-off production of blocks & plates (quantity 1) up to series production (1,000/year), Manufacture of standard and special valves (nominal size 3 to nominal size 63), Deep-hole drilling, Sawing, Milling (double-spindle milling machine, bed milling machine), Centre drilling (CNC drilling centre), Conventional drilling (rapid radial drilling machines, pillar drilling machines)
- Materials
- Cast iron, Aluminium, Steel
- Certificates
- DIN EN ISO 9001:2015, DIN EN ISO 14001:2015, ISO 9001, ISO 14001
- Founded
- 1974
- Employees
- 40+
- Industries
- Machine tools, Test bench engineering, Plant engineering, Rolling mills, Mobile hydraulics, Vehicle engineering
- 01
Consulting and 3D design
- 02
Sawing
- 03
Milling and CNC machining
- 04
Drilling (deep-hole drilling, centre drilling)
- 05
Grinding, honing and lapping
- 06
Deburring
- 07
Surface coating
- 08
Part cleaning
- 09
Part marking
- 10
Functional testing
- 11
Assembly and final inspection
- 12
Shipping
Materials & Processes
Steel
Material for control blocks, valves and plates, including black-oxidised in in-house black-oxidising systems.
Cast iron
Material of the mecabor standard programme, phosphated, up to 300 bar.
Aluminium
Material for standard plates and lightweight control blocks, clear anodising.
Locations
Straubenhardt
DEHeadquarters, manufacturing and sales
- Part weight / size
- Control blocks up to 10 t
- Lot size
- Quantities of 1 to 1,000 blocks/year, up to 10,000 valves/year
- Materials
- Steel, cast iron (0.6025), aluminium (3.1325)
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Design of control blocks, plates and valves (3D CAD, NVENTOR, Mechanical, MDTools,Engineering | – | – | 10 to (control blocks unit weight) | – | – |
| One-off production of blocks & plates (quantity 1) up to series production (1,000/year)Machining | – | – | – | 1 – 1,000/year | – |
| Manufacture of standard and special valves (nominal size 3 to nominal size 63)Machining | – | – | – | 1 – 10,000/year | – |
| Deep-hole drillingMachining | – | – | – | – | – |
| SawingMachining | – | – | – | – | – |
| Milling (double-spindle milling machine, bed milling machine)Machining | – | – | – | – | – |
| Centre drilling (CNC drilling centre)Machining | – | – | – | – | – |
| Conventional drilling (rapid radial drilling machines, pillar drilling machines)Machining | – | – | – | – | – |
| CNC production (3-, 4- and 5-axis machining centres)Machining | – | – | – | – | – |
| Grinding (cylindrical grinding machines)Machining | – | – | – | – | – |
| Honing and lappingMachining | – | – | – | – | – |
| DeburringMachining | – | – | – | – | – |
| Part cleaning (aqueous washing machines, ultrasonic cleaning)Surface | – | – | – | – | – |
| Part marking (needle embossing, stamping)Surface | – | – | – | – | – |
| Surface coating: black oxidisingSurface | – | – | – | – | Steel, Cast |
| Surface coatings: electroless nickel plating, chromating, black oxidising, phosphatingSurface | – | – | – | – | – |
| Assembly and final inspectionAssembly | – | – | – | – | – |
| Functional testing of valves on in-house test benches (with test report)Testing | – | – | – | – | – |
| Supply of hydraulic standard plates to mecabor standard (cetop 3/NG6 to cetop 8/NG25, inAssembly | – | – | – | – | Aluminium, Cast iron (0.6025) |
18 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Band saw with fully automatic feed | – | 2 | – | – | Straubenhardt |
| Double-spindle milling machine | – | 1 | – | – | Straubenhardt |
| Bed milling machine | – | 1 | – | – | Straubenhardt |
| CNC drilling centre | – | 1 | – | – | Straubenhardt |
| Rapid radial drilling machine | – | 7 | – | – | Straubenhardt |
| Pillar drilling machine | – | 3 | – | – | Straubenhardt |
| Cylindrical grinding machine | – | 2 | – | – | Straubenhardt |
| 3-axis machining centre | – | 2 | – | – | Straubenhardt |
| 4-axis machining centre | – | 2 | – | – | Straubenhardt |
| 5-axis machining centre | – | 3 | – | – | Straubenhardt |
| CNC honing machine | – | 1 | – | – | Straubenhardt |
| Conventional honing machine | – | 1 | – | – | Straubenhardt |
| Lapping machine | – | 1 | – | – | Straubenhardt |
| Washing machine (aqueous basis) | – | 2 | – | – | Straubenhardt |
| Ultrasonic cleaning bath | – | 1 | – | – | Straubenhardt |
| Needle embossing machine | – | 1 | – | – | Straubenhardt |
| Black oxidising system (steel/cast) | – | 2 | – | – | Straubenhardt |
| Valve test bench | – | 3 | – | – | Straubenhardt |
Additional services
Quality & Certification
Since 2009 the company has been certified to DIN EN ISO 9001:2015 and since 2010 to DIN EN ISO 14001:2015. All valves undergo a thorough functional test on in-house test benches before shipping, if desired with a test report.
| Evidence | Straubenhardt |
|---|---|
| ISO 9001 | |
| ISO 14001 |
Company History
- 1974
Founded by Hans Weidemann in Straubenhardt for the manufacture and sale of hydraulic valves.
- 1975
Franz Reher joins; start of in-house manufacturing of manifold connecting plates and control blocks.
- 1998
Eric Weidemann is appointed to the executive management.
- 2005
Raphael Reher joins the executive management following the departure of Hans Weidemann.
- 2009
Introduction of the quality standard DIN EN ISO 9001; certification, restructuring and optimisation of manufacturing and administration.
- 2010
Introduction of the environmental standard DIN EN ISO 14001.
- 2018
After the cessation of business activities of MECABOR N.C., the standard catalogue programme (mecabor standard) is added to the product range.