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AHP Merkle GmbH
Nägelseestr. 39,
79288
Gottenheim
Germany
Germany
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Our range of products
Product categories
- 03 Machinery and equipment for the plastics and rubber industries
- 03.11 Parts and components
- 03.11.002 Barrels
Barrels
- Hydraulic cylinder
- Quick Delivery Program Hydraulic Cylinder
- Core pull units
- Locking cylinder
- Electro-hydraulic linear drives
- Block cylinder
- Circular block cylinder
- Screw-in cylinder
- Tie rod cylinder
- Short-Stroke cylinder
- Cube cylinder
- Flanged cylinder
- Double-Lined cylinder
- Push unit
- Stamping cylinder
- AHP standard cylinder
- DIN Standard Cylinder
- Hydraulic Cylinder with external guide
Our products
Hydraulic cylinder
What can we move for you?
Take a look at the following pages and discover the range and individuality of our hydraulic cylinders. AHP Merkle stands for 100% quality. This is why all of our products are fitted with hardened, ground, hard chrome plated and finely polished piston rods. Our flexibility and innovations guarantee precision products, which are always a step ahead. Customers from all over the world and from various industries all recognize this:
Take a look at the following pages and discover the range and individuality of our hydraulic cylinders. AHP Merkle stands for 100% quality. This is why all of our products are fitted with hardened, ground, hard chrome plated and finely polished piston rods. Our flexibility and innovations guarantee precision products, which are always a step ahead. Customers from all over the world and from various industries all recognize this:
- Tool and mold construction
- Machine tool construction
- General mechanical and special mechanical engineering
- Aluminium pressure die-casting
- Deburring tool construction
- Hydroforming
- Automotive
Quick Delivery Program Hydraulic Cylinder
Today we have already produced what you will be missing tomorrow. Our most successful cylinders are already now available for delivery.
Our huge quick delivery program includes now about 420 types, piston diameters, stroke combinations which you can equip with many various additional options.
We supply cylinders of our quick delivery program with a price benefit of at least five percent!
Our huge quick delivery program includes now about 420 types, piston diameters, stroke combinations which you can equip with many various additional options.
We supply cylinders of our quick delivery program with a price benefit of at least five percent!
Core pull units
Core pull units are primarily used in mold construction, but can also be used for other applications in which precise guiding is needed. By using these units, the user does not need to design an elaborate guide, such as those required with core pullers. The core pull unit is designed so that the entire piston surface is acted upon for „pulling“. Unlike with a pulling cylinder, this means that a smaller piston can be used with the same operating pressure. The space savings with this design can be up to 35% compared to conventional solutions.
The precise guiding of the slide is ensured through the use of cross roller guides.
The precise guiding of the slide is ensured through the use of cross roller guides.
- Specially designed for core pulling
- Maximum operating pressure 250bar
- Piston diameters 32mm, 40mm and 50mm
- Ground, hardened and hard chrome plated piston rods
- During core pulling, the full piston area is available, meaning that a smaller piston diameter is required.
- Guided through high-precision cross-roller guides
- End position attenuation on both sides as standard
Locking cylinder
The Locking Cylinder is designed for the application in injection mold manufacturing.
Depending on the part geometry to be injected, it may be necessary to create a breakthrough or an undercut. The application requires keeping a core or a feeder in the cavity. This task is achieved through a Locking Cylinder. With its compact design, it withstands very high forces thanks to a mechanical locking mechanism (positive locking). This is mainly used in injection mold manufacturing.
Depending on the part geometry to be injected, it may be necessary to create a breakthrough or an undercut. The application requires keeping a core or a feeder in the cavity. This task is achieved through a Locking Cylinder. With its compact design, it withstands very high forces thanks to a mechanical locking mechanism (positive locking). This is mainly used in injection mold manufacturing.
- Compact block construction
- High holding force
- Locking with pretension is possible
- Reliable signal emission in locked condition
Electro-hydraulic linear drives
„The e-ahp electro-hydraulic linear actuator combines the advantages of electric (clean, maintenance-free, easy connection) and hydraulic drive systems (high forces, high speeds). A groundbreaking product!“
Christen Merkle,
General Manager
The benefits of the e-ahp technology
Christen Merkle,
General Manager
The benefits of the e-ahp technology
- No hydraulic unit: avoids costs and effort for a power unit, hydraulic hoses and piping
- Clean and ecological: completely encapsulated and filled ex-factory with a minimum amount of hydraulic oil
- Easy integration: simplifies initial installation and maintenance through purely electrical integration
- Very energy-efficient: uses energy only when it is actually needed
- Very dynamic: both for high force build-up and for high travel speed
- Precisely controllable: very precise control of force or position, even in the μm range
- Maximum forces: very high forces of up to 625 kN (62.5 tons); with our special actuators, even up to 5 MN (500 tons)
- Robust and wear-resistant: being completely insensitive to external force impact, they are virtually wear-free even in continuous operation
Block cylinder
A characteristic feature of block cylinders is their rectangular housing. This housing shape allows the implementation of various mounting options. They can be operated with an operating pressure of up to 500 bar (7250 PSI), and there are various options for sensing the piston position. For strokes greater than 200 mm (7.87 inches) the housing has a cuboid shape; larger strokes are implemented using a tube between the cuboid head and the bottom. The main area of application of block cylinders is mold construction.
Cylinder series
- Compact Hydraulic Cylinder
- Maximum operating pressure 320bar and 500bar
- Primarily used for mold construction
- Piston diameters from Ø16mm to Ø200mm
- Several piston diameters with standard strokes in stock
- Multiple mounting options available
- Piston rods ground and hardened
- Various switch types available for limit position polling
Cylinder series
- block cylinder with system port - hydraulic fluid connection and mounting in extremely small locations
- block cylinder with inductive proximity switch, pressure-resistant inductive proximity switches - temperature range: -25 to +80/120 °C and adjustable Position sensor can be specified with order block cylinder with inductive proximity Switch and System port, pressure-resistant inductive proximity switches and adjustable position sensor can be specified with order
- block cylinder with position sensing with special limit switches up to 140°C and adjustable switching point up to 8mm possible at the end of the stroke; Sensor unit can be used as a standalone unit
- block cylinder für magnetic field sensors with a temperature range: -20 to +70/130 °C and position sensor can be adjusted at any time
- block cylinder with mechanical switch with a temperature range: -5 to +80/180 °C and position sensor can be adjusted at any time
- block cylinder with external inductive proximity switch BZH for stroke of up to 50 mm and temperature range: -25 to +70/120°C; position sensor can be adjusted at any time
- block cylinder with Long stroke for strokes > 200 mm with spacer tube and BRBN with pressure-resistant inductive proximity Switches, temperature range: -25 to +80/120 °C
- block cylinder with non-rotating piston rod
Circular block cylinder
Circular block cylinders are a variant of the block cylinder product line. Their structural design is the same as that of the block cylinder. Their externally visible difference from them is their cylindrical housing, which has proven to be advantageous in some installation situations where little space is available.
- Maximum operating pressure 500 bar
- Compact design
- Piston rods ground and hardened
- Short delivery times - large stock range
- Piston diameters from Ø 16 mm to Ø 100 mm
- Various standard strokes
- Multiple mounting options available
- Structure as for block cylinder
Screw-in cylinder
The most space-saving option among AHP Merkle hydraulic cylinders are the screw in cylinders. Because these cylinders are screwed directly into the tool, the tool functions as a housing. The customer / user only has to create the mounting bore with the associated intake bores for forwards and return travel in the tool. There are both single-acting and double-acting options.
- Round Short-Stroke Cylinder
- External thread means it can be integrated in a tool
- Very small size for small installation areas
- Maximum operating pressure 250bar
- Piston rods ground and hardened
Tie rod cylinder
- Hydraulic Cylinder according to DIN/ISO 6020/2
- Maximum operating pressure: 160 bar
- Piston diameters from Ø 25 mm to Ø 200 mm
- Multiple mounting options available
- Equipped with linear cushioning
- Ground, hardened and hard chrome-plated piston rods as a standard
- Equipped with Viton® seal as a standard
- Tie rod rolled
- Interchangeable assembly dimensions
- Easy and quick maintenance and installation
- Quick availability
Equippes with new linear cushioning
Tie rod cylinders from AHP Merkle are equipped with new linear cushioning. They can move large masses at high speeds without any problem, and can brake them again within a very short period of time. This increases not only performance, but also the efficiency of the cylinder. This linear cushioning requires no adjustment – No adjustment errors possible.
Short-Stroke cylinder
Short-stroke cylinders have an external thread over their entire length. This means that they can be screwed into or flanged directly to a fixture, and can thus be adjusted optimally. Such cylinders can be fixed very easily using the supplied lock nut. Both hydraulic connections are arranged axially on the cylinder bottom.
- Maximum operating pressure 160bar
- Compact design
- Piston rods ground and hardened
- Short lead times
- Very flexible installation options thanks to an external thread on the housing
- Fitted with Viton® seals as standard
- Piston diameters from Ø25mm to Ø50mm
Cube cylinder
Cube cylinders are cylinders with especially small external dimensions. They are thus used most often when there is not enough space for standard or block cylinders. Their maximum operating pressure is 400 bar (5800 PSI).
- Maximum operating pressure 400bar
- Compact design
- Specially designed for short strokes
- Piston rods ground and hardened
- Short lead times
- Large stock range
- Piston diameters from Ø25mm to Ø50mm
Flanged cylinder
Flanged cylinders are round hydraulic cylinders with flanges. Thanks to their small dimensions they are often used in fixture and mold construction. The pressure ports are located in the screw-on flange, and thus at one end of the cylinder. In practice, flanged cylinders are best suited for strokes up to 100 mm; in addition, the use of double-lined cylinders is advisable.
- Compact Hydraulic Cylinder
- Maximum operating pressure 250bar
- Primarily used for mold construction
- Piston diameters from Ø25mm to Ø80mm
- Piston rods ground and hardened
- Connections always on one side
- Multiple mounting options available
Double-Lined cylinder
Double lined cylinders are hydraulic cylinders with a very special design. Structurally they are designed with two cylinder tubes that are built one inside the other and sealed pressure-tight relative to each other. They can be ordered even for long strokes. The distinguishing feature of double lined cylinders is their round construction with a flange at one end. The flange is located either at the rod end or at the piston end. Attached to this flange are both ports for the forwards and return stroke, and the cylinder is also mounted on it. The use of double lined cylinders is always advisable when due to long strokes and installation in large molds one end of the cylinder is hard to access, and thus both ports have to be located on one end.
- Round Hydraulic Cylinder
- Maximum operating pressure 250bar
- Piston diameters from Ø32mm to Ø80mm
- Connections always only on one side, even with larger strokes
- Multiple mounting options available
- Ground, hardened and hard chrome plated piston rods
- Connection also possible using O-Ring seal. This means that there is no need to line the cylinder
Push unit
The type BSE was developed from our well-proven block cylinder and therefore particularly suitable for all strokes up to 100 mm. There is also a wide version and also the BSEP version with switches, which are operated via the front plate or switch actuators. The type ZSE comes from the HZ technology. The stroke-dependent parts are customized for you. Its characteristics render is quite robust. Again, there is a variant, the ZSEP, with switches that are operated via the front plate or switch actuators. There is also the BZS cylinder, which is technically the further development of our proven block cylinder and therefore particularly suitable for strokes up to 100 mm.
- Maximum operating pressure 250 bar
- Comprehensive standard range
- Guided front plate for accepting tools on request
- Short lead times
- Large stock range
- Piston rods ground and hardened
- Standard strokes 50mm, 75mm, 100mm
- 2, 3 or 4 columns
- Series: BSE/BSEP and ZSE/ZSEP
- Multiple mounting options available
- Use primarily as deburring or cutting tool
- Developed into the standard by AHP Merkle
Stamping cylinder
The stamping cylinders are a further development of the block cylinder. A characteristic feature of stamping cylinders is that thanks to the special design and arrangement of their seals and guides they can absorb the large dynamic loads that are generated during stamping.
- Specially designet for stamping work
- Maximum operating pressure 250 bar
- Compact cylinder
- Multiple mounting options available
- dipp System
- Piston Diameters from Ø 40 mm to Ø 200 mm
- Hole pattern as BZ 500
- Ground, hardened and hard chrome plated piston rod
AHP standard cylinder
AHP Merkle classifies its standard cylinders into three pressure ranges (100, 160 und 250 bar / 1450, 2320 and 3625 PSI) and four series (UZ 100, HZ 160, HZ 250 and HZH 250). These are all characterized by their round construction with a screwed head and bottom. Customers can choose between twelve different mounting options and the choice of integrated proximity switches or linear position transducer.
- Round body cylinder
- Maximum operating pressure 100bar, 160bar or 250bar
- Model types UZ100, HZ160, HZ250, HZH250
- Ground, hardened and hard chrome plated piston rods
- Short length
- Short lead times
- Piston diameters from Ø16mm to Ø100mm
- Multiple mounting options available
- Inductive proximity switch available as an option
DIN Standard Cylinder
- Maximum operating pressure 160 bar or 250 bar
- Hydraulic Cylinder to DIN/ISO standards
- Ground, hardened and hard chrome plated piston rods
- Multiple mounting options available
- Piston diameters from Ø25 mm to Ø200 mm
- Large range of accessories
Hydraulic Cylinder with external guide
These hydraulic cylinders are available with external guides for max. pressures of up to 160 bar (2320 PSI). The cylinder liner is plasma nitrated and suitable for use as a guide. These cylinders are used very often in aluminum die casting systems.
- Maximum operating pressure 160bar
- Ground, hardened and hard chrome plated piston rods
- Plasma nitrided cylinder barrel, good guide properties
- Piston diameters from Ø 63mm to Ø 140mm
- Floor side flange mounting
- Attenuation possible, adjustable on both sides
- Connection via O-ring seal possible (thereby eliminating the need for piping)
About us
Company portrait
Our mission is as simple as it is ambitious: We want to drive our customers' success. To this end, since as far back as 1973 we have been developing, engineering and manufacturing high-quality hydraulic cylinders that are now in demand all over the world. Our constant striving for perfection over the entire process chain has also made it possible for us to supply products that are always perfectly tailored to our customers' stringent requirements – whether they come from the tool making, mould and die making, machine building industries, aluminum pressure die-casting, deburring tool construction, hydroforming, punching tool construction or other sectors.
Many of our custom-developed cylinders are now regarded as industry standards – standards resulting from a modularly structured product mix policy that signifies cost-effective customization with a simultaneously high level of efficiency and quick availability to our customers. An outstanding achievement that would be unthinkable without the more than 260 employees at our headquarters in Gottenheim, Germany, and without those working in our sales subsidiaries in Hong Kong, Shenzhen and Suzhou (China), as well as in Guissano (Italy) and Marhina Grande (Portugal). But also an achievement that has allowed us to establish an international presence in Europe, North America and Asia.
What is the basis of our success? As a family-run company, we foster and believe in values. And we live these values. AHP DNA is special and unique. In addition to continuity, integrity and sustainability, the values we promote also include reliability, honesty and openness. Although we also operate economically and must be successful, we nevertheless foster a philosophy that is guided not by quarters but instead by generations: Ideal values that are becoming even more essential, especially in a fast-moving world, and simultaneously serve as a foundation for the necessary quality – quality that with us knows no compromises.
Many of our custom-developed cylinders are now regarded as industry standards – standards resulting from a modularly structured product mix policy that signifies cost-effective customization with a simultaneously high level of efficiency and quick availability to our customers. An outstanding achievement that would be unthinkable without the more than 260 employees at our headquarters in Gottenheim, Germany, and without those working in our sales subsidiaries in Hong Kong, Shenzhen and Suzhou (China), as well as in Guissano (Italy) and Marhina Grande (Portugal). But also an achievement that has allowed us to establish an international presence in Europe, North America and Asia.
What is the basis of our success? As a family-run company, we foster and believe in values. And we live these values. AHP DNA is special and unique. In addition to continuity, integrity and sustainability, the values we promote also include reliability, honesty and openness. Although we also operate economically and must be successful, we nevertheless foster a philosophy that is guided not by quarters but instead by generations: Ideal values that are becoming even more essential, especially in a fast-moving world, and simultaneously serve as a foundation for the necessary quality – quality that with us knows no compromises.
Company data
Number of employees
101 - 500
Foundation
1973
Area of business
Machinery and equipment for the plastics and rubber industries
