Stack turners, transport and conveyor systems for the printing and packaging industry – from steel cutting to final assembly.
Krifft & Zipsner GmbH
57520 Steinebach / Sieg (Plant I & Plant II) · Warrenville, IL, USA (K n Z Services Inc.)New on Amplifa
About Krifft & Zipsner
Krifft & Zipsner GmbH, founded in 1993 and headquartered in Steinebach an der Sieg, specialises in stack turners, transport and conveyor systems for the printing and packaging industry. Its high level of in-house manufacturing depth covers steel cutting, welding, painting, mechanical CNC machining, electrical manufacturing including control cabinet construction, and final assembly with full functional testing. Production is primarily in steel; in addition, plastic belt conveyors are offered for palletless transport. The portfolio ranges from stack turners for turning, shaking and airing printing sheets to roller conveyors, chain conveyors, turntables, corner transfers and pallet dispensers, through to robotics and automated guided vehicle systems (AGVs). Long-standing OEM partners include Bobst AG, Heidelberger Druckmaschinen AG, Koenig & Bauer AG, Manroland Sheetfed and Stock Maschinenbau GmbH. With over 175 employees, three production sites in Steinebach and a service center in Warrenville (Illinois, USA), the company serves customers in Europe, Africa, Asia, Australia and North America.
- Site
- Steinebach / Sieg
- Processes
- Steel cutting (sawing), Welding, Painting, Mechanical CNC machining, Electrical manufacturing / control cabinet construction (control cabinets and control desks), Final assembly of conveyor systems and stack turners with complete functional testing, System engineering / planning of complete systems, Stack turners (turning, shaking and airing of printing sheets)
- Materials
- Steel, Plastic (conveyor belts), Plastic
- Certificates
- ISO 9001, ISO 14001, UL, Business Innovator (diind), UL certification
- Founded
- 1993
- Employees
- 175
- Industries
- Printing industry, Packaging industry, Corrugated board industry, Mechanical and plant engineering
- 01
Steel cutting (sawing)
- 02
Welding
- 03
Mechanical CNC machining
- 04
Painting
- 05
Electrical manufacturing / control cabinet construction
- 06
Final assembly
- 07
Functional test / internal acceptance
- 08
On-site assembly
Materials and Manufacturing Processes
Steel
Main material for the design and manufacture of stack turners and conveyor systems, from cutting to final assembly.
Plastic
Used as conveyor belts in plastic belt conveyors for the palletless transport of laminated, digitally printed sheets and corrugated board.
Locations
Plant I, Steinebach / Sieg
DEProduction and administration
- Part weight / size
- Stack turners up to sheet format 2100 x 3200 mm (Type E)
- Lot size
- Special machinery construction, customer-specific projects
- Materials
- Steel, plastic
- Saw cutting
- Welding systems
- CNC machining
- Paint shop
- Final assembly
Plant II, Steinebach / Sieg
DEProduction / control cabinet construction
- Materials
- Steel
- Electrical workshop
- Control cabinet construction
- Cable assembly
Warrenville, IL (K n Z Services Inc.)
USService center USA/Canada/Mexico
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Steel cutting (sawing)Machining | – | – | – | – | Steel |
| WeldingJoining | – | – | – | – | Steel |
| PaintingSurface treatment | – | – | – | – | Steel |
| Mechanical CNC machiningMachining | – | – | – | – | Steel |
| Electrical manufacturing / control cabinet construction (control cabinets and control desks)Assembly | – | – | – | – | – |
| Final assembly of conveyor systems and stack turners with complete functional testingAssembly | – | – | – | – | – |
| System engineering / planning of complete systemsEngineering | – | – | – | – | – |
| Stack turners (turning, shaking and airing of printing sheets)Assembly | – | 3200 mm × 2100 mm | – | – | – |
| Conveyor technology: roller conveyorsAssembly | – | – | – | – | – |
| Conveyor technology: chain conveyorsAssembly | – | – | – | – | – |
| Conveyor technology: plastic belt conveyors (palletless transport, conveying height 200–350 mm)Assembly | – | – | – | – | Plastic |
| Conveyor technology: belt conveyorsAssembly | – | – | – | – | – |
| Conveyor technology: toothed belt conveyorsAssembly | – | – | – | – | – |
| Conveyor technology: turntablesAssembly | – | – | – | – | – |
| Conveyor technology: corner transfersAssembly | – | – | – | – | – |
| Pallet dispensers and pallet stackers/collectorsAssembly | – | – | – | – | – |
| Transfer cars with one or more positionsAssembly | – | – | – | – | – |
| Buffer storage on one or two levelsAssembly | – | – | – | – | – |
| Vertical conveyorsAssembly | – | – | – | – | – |
| Support board systems for feeders and delivery of printing, die-cutting and laminating machinesAssembly | – | – | – | – | – |
| Material tracking systemsAssembly | – | – | – | – | – |
| Robotics / automatic pallet handling (e.g. insertion of the empty pallet usingAssembly | – | – | – | – | – |
| AGV (Automated Guided Vehicle System)Assembly | – | – | – | – | – |
| Cable assemblyAssembly | – | – | – | – | – |
Additional services
Reference customers
Quality
Every system undergoes a complete functional test during final assembly; release for shipping only takes place after internal acceptance. The close proximity of the designers to final assembly ensures continuous support during in-house commissioning.
| Evidence | Steinebach / Sieg |
|---|---|
| ISO 9001 | |
| ISO 14001 | |
| UL certification |
Company History
- 1993
Founded as Krifft & Zipsner GmbH by Klaus Zipsner (May 1993)
- 1998
Construction of a new plant in Steinebach
- 2011
New plant building in Steinebach
- 2013
New plant building in Steinebach for control cabinet construction
- 2018
Substantial expansion with additional production and warehouse hall
- 2020
Dücker Group (Langenfeld) becomes majority shareholder
- 2022
Dücker International becomes majority shareholder; René Eberz takes over as 2nd Managing Director
- 2023
Klaus Zipsner leaves operational management
- 2024
Intended cooperation partnership with a robotics system integrator to open up further markets
- 2025
Business Innovator award from diind (certificate dated 11.09.2025)