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Performance at the highest level
The modern powertrainhone machine system can be used for all established honing processes. In addition to conventional honing operations, innovative processes such as formhoning can also be used. The high movement and cutting speeds, together with optimized processes, significantly increase productivity.
Whether as a stand-alone machine or an interlinked production line, the modular concept provides maximum flexibility in the configuration of modern manufacturing solutions and boasts an optimized footprint. Standard functional assemblies combined with customer-specific solutions produce optimal results. The compact PT spindle unit with a powerful stroke drive and spindle drive combines efficiency and quality. It covers a wide range of possible applications in a diameter range from 68 to 105 mm.
Best equipped for the future
The compact honing unit with powerful stroke and efficient direct spindle drive stands for high level flexibility. The different sizes of the models serve a broad spectrum of applications with diameters ranging from 68 to 105 mm.
The integrated electromechanical delivery unit with force measuring (EMZ-F) ensures to achieve the desired results with high process reliability.
The fast and efficient tool changing system with extremely short tool changing times, provides you with the best solution for different part types and in case of wear- or process-related changes.
Typical areas of applications are all types of car crankcases - which allows for optimal processing of inline blocks, V-blocks and, last but not least, main bearing bores.
Tool Changers:
Sophisticated technology
- Independently moveable honing spindles
- Rigid spindle bearings (e.g. for position honing)
- Automatic tool changing systems for up to 12 tools
- Short cycle times thanks to high cutting speeds
- new tool identification system
- Use of standard function groups
- Processing of thermally-coated function surfaces
- Removal of up to 0.5 mm in 20 seconds
- Switch-off accuracy of approx. 10 µm when removing 0.4 mm
- Internal coolant supply
- Spindle drive via servomotors
- Latest honing control technology with simple, user-friendly operating interface
- Direct force-controlled electromechanical feeding systems
- Direct in-process gauging system for dimension and form control
- continuous wear feedback,
- Single modules, transfer system solution or modularly interlinked single modules
- For in-line engines and V-engines
- With automatic tool changer
- Can be combined with different loading and unloading systems (roller conveyors, gantry loaders, robots, etc.)
Technical data | PT 600 | PT 600-X LR | Z750-X LR | LSR 1750-1 LR |
| Stroke length (mm) | 600 | 600 | 750 | 1750 |
Diameter (mm) | 68-105 | 68-105 | 68-105 | 45-75 |
| Spindle drive | Servo motor | Servo motor | Servo motor | Gear motor |
| RPM, max. (1/min) | 600 | 600 | 600 | 500 |
| Stroke drive | Ball screw | Ball screw | Ball screw | Ball screw |
| Stroke speed, max. (m/min) | 40 | 40 | 40 | 15 |
| Spindel (mm) | 140 | 140 | 140 |
|
Subject to technical changes and variations in design and configuration.
PT 600-X LR
The large PT module is designed for machining series blocks and provides space for up to four spindle units. The modular design allows for the corresponding scalability depending on production capacity, while the attached control cabinet means that the machine can be set up quickly and correctly. Plug connections are used instead of the conventional wiring. The standard assemblies used are easily accessible and the machine is designed to be simple to maintain.
Technical data | |
| Reqired space (WxDxH) / (mm) | 2400 x 6200 x 3895 |
| Weight, net (t) | apppr. 26 |
| Workpiece examples | Engine block |
Subject to technical changes and variations in design and configuration!
PT 600-X
Primarily developed for the honing of engine blocks with bore diameters of 68 - 105 mm, the size of the machine has been optimized. Whether as single machines or interlinked production lines - the modular concept offers maximum flexibility in the configuration of modern manufacturing solutions.
Technical data | |
| Required place (WxDxH) / (mm) | 2400 x 2100 3600 |
| Weight, net (t) | appr. 10 |
| Workpiece examples | Engine block |
Subject to technical changes and variations in design and configuration!
PT 600 Transfer
In the transfer model option, virtually any number of spindle units can be installed. Depending on the required cycle time or the number of processing steps involved, the transfer module offers an interesting alternative to the PT 600 module.
Technical Data | |
Stroke Length (mm) | 600 |
| Diameter (mm) | 68 - 105 |
| RPM, max. (1/min) | 600 |
| Torque, max. | 140 |
| Stroke Speed, max. (m/min) | 40 |
Subject to technical changes and variations in design and configuration!
PT 500k
The PT 500K is specially designed for Position Honing and therefore the fine drilling process is substituted without sacrificing finish quality. High displacement, cutting speeds and optimized processes increase productivity.
Technical Data | |
Stroke Length (mm) | 500 |
| Diameter (mm) | 68 - 105 |
| RPM, max. (1/min) | 2.000 |
| Torque, max. (Nm) | 90 |
| Stroke Speed, max. (m/min) | 40 |
Subject to technical changes and variations in design and configuration!
Z 750-X LR
The new modular powertrainhone Z allows for the full honing process to be completed in only one module. Whether three- or four-cylinder - efficiency and shorter cycle times for honing are assured thanks to the three processing stations.
Technical Data | |
| Required space (WxDxH) (mm) | 2600 x 3550 x 5660 |
| Weight, net (t) | appr.21 |
| Workpiece examples | Engine block |
Subject to technical changes and variations in design and configuration!
Z 750 transfer
Depending on the required lot size, cycle time or number of processing steps, the transfer module option is an interesting alternative to the powertrainhone Z module. The spindles are optimally accessible through a direct maintenance area.
Technical Data | |
Stroke Length (mm) | 750 |
| Diameter (mm) | 68 - 105 |
| RPM, max. (1/min) | 450 |
| Torque, max. (Nm) | 190 |
| Stroke Speed, max. (m/min) | 40 |
Subject to technical changes and variations in design and configuration!
LSR 1750-1 LR
The LSR (Large Scale Reaming) honing unit of the powertrainhone series can be used as a modular machine or as an integrated solution in a transfer line. The horizontal honing unit ensures precise and effective machining of crank bores in engine blocks. Driven by a servo motor and equipped with an electro-mechanical feeding system, LSR achieves optimized machining results.
The machining of the crank bore improves the geometrical and positional accuracy. The ream honing process used is characterized by maintaining close tolerances and long tool life. This results in high process availability with low tooling costs. The ream honing is a contribution to the future sustainability of the combustion engine.
The LSR module can alternatively be equipped with one or two honing units and optionally supplemented by an automatic tool changer. In combination with the HSK connection, quick tool changes can be assured. Overall, this machine offers quality at the highest level.
Technical Data | |
| Required space (WxDxH) / (mm) | 2980 x 6200 x 3250 |
| Weight, net (t) | appr. 22 |
| Workpiece examples | Engine block |
Subject to technical changes and variations in design and configuration!
solohone
The machine is designed for bore diameters from 60 to 110 mm and can be designed as a single-spindle machine or with a powerful two-spindle variation as needed. Engine blocks of all kinds as well as liners are the main areas of application.
Brochure Download:
Technical Data | Solo LV1 | Solo HV2 |
| Stroke Length (mm) | 600 | 600 |
| Diameter (mm) | 60 - 110 | 60 - 110 |
| RPM, max. (1/min) | 450 | 450 |
| Torque, max. (Nm) | 125 | 125 |
| Stroke Speed, max. (m/min) | 30 | 30 |
Subject to technical changes and variations in design and configuration!
*More detailed information on the respective products can be found in our brochure, which is located at the bottom of this page.
The latest developments in digital technology
The Gehring Connection Module (GCM) – our solution for a high level of connectivity – is built into our machines as standard. The module provides secure and reliable access to your machine. Thanks to VPN and LTE/UMTS, our service team is able to provide remote support at any time. Our clients retain complete control of their data and the module can be switched on or off at any time.
Precision with the Gehring Tool System
Precision and longevity are the hallmarks of our tooling systems. Our tool systems guarantee high levels of efficiency, optimized surfaces, and the best possible bore geometries.
Profit from the Gehring tool concept specifically customized for each machine. Find more information about our PT-Series.
Abrasives
The Diato honing stones, also a Gehring Group product, contain diamond or boron nitride (cBN) as the actual abrasives material. These abrasives crystals are embedded in a hard metallic matrix. The grain protrusion causes the material to be machined.
For detailed information about our cutting materials click here.
