What temperature is the tool holder heated to during the shrinking process?

This depends on the geometry of the holder, the size of the clamping diameter and the taper size. While some standard holders have 4.5 degrees, slim holders have 3 degrees. Depending on the type, a different temperature from 150˚C to 350˚C is used when shrinking the holder.

The fume extraction system reliably removes fumes from the operator's working area. The established and patented fume extraction system above the induction coil has been extended to include an integrated extraction system inside the coil housing. The fumes are therefore extracted directly where they are produced. The filter unit has a safe place in the under-table.

What types of cutting materials can be used in shrink-fit holders for the shrink-fit process?

Steel, HSS, carbide, heavy metals, metal powder, shrink-fit extensions.

What is the required tolerance for the shank diameter of the cutting tool when using a shrink-fit tool holder?

The shank tolerance of the cutting tool must be h6 or h5.

Is it possible to monitor the service life of the tool holder and the number of shrink cycles of the tool holder?

With the ZOLLER »powerShrink« it is possible to monitor the heating cycles of the tool holder using a unique tool holder ID number, e.g. the ZOLLER »idChip« technology. Each cycle is monitored and registered in the »pilot« software.

What is the minimum and maximum heating time?

The heating time depends on the geometry of the tool holder and the clamping diameter. For small diameters, this takes 2 to 3 seconds, for large diameters 5 to 7 seconds.

What is the minimum and maximum cooling time?

ZOLLER offers two types of cooling systems: A non-contact cooling system with air cooling and cooling adapters. Depending on the tool diameter, the cooling time with cooling adapters is 60 to 120 seconds. With »Zstream« air cooling, the process is called conditioning, in which the entire tool holder is cooled from the nose to the flange. The conditioning time here depends on the diameter of the holder and is 3 to 5 minutes.

Is an air-conditioned room required to install the »powerShrink« device?

An air-conditioned room is not required. The device can be installed in a dust-free area in the machine hall.

How does shrinking work and what kind of process takes place here?

The concept is simple. Each shrink tool holder is manufactured with an internal diameter that is slightly smaller than the shank diameter of the cutting tool. Using an induction device, the nose area of the tool holder is quickly heated to increase the internal diameter. At this point, the cutting tool can be inserted into the tool holder. The tool holder is then cooled and the diameter shrinks, exerting a force on the shank of the cutting tool to hold it precisely in position.

What is non-contact cooling and contact cooling?

When tool holders are shrunk without direct contact, the tool holder system is called non-contact cooling. This is done, for example, with the help of cooling adapters or air cooling. If the tool holders are cooled with a liquid after heating, this process is called quenching. The service life of the holder is reduced and the holder rusts if the tool holder continues to be used with liquids directly on it. The cooling liquid becomes dirty after a short time and must be replaced, otherwise it collapses, smells strongly and contains harmful ingredients that are dangerous to human skin.

Is it possible to use the same shrink-fit machine for standard diameters from 3 to 32 mm and heavy-duty shrink-fit holders for diameters over 32 mm?

Yes, this is possible with the ZOLLER »powerShrink 600«, where the 14 kVA induction coil and the 22 kVA induction coil can be exchanged quickly and easily via the quick-change interface.

Is it possible to adjust the overall length of the tool after shrinking with the »powerShrink« machine?

Yes, with the »eQset« and »liteSet« adjustment systems it is possible to preset the overall length of the tool on the »powerShrink«.

Air cooling »zStream«

With ZOLLER's air cooling »zStream« you obtain maximal flexibility and protection with the cooling of your shrink fit tool holder, independently of its contour or diameter. In addition, your shrink-clamping tools are cooled consistently and safely across their entire length – without the risk of being damaged. »zStream« is also ideally suited for cooling placed down tools.

Length adjustment »eQset«

The integrated length adjustment system is used to set the overall length or projection length and for tool replacement. The pneumatically activated quick adjustment and fine adjustment by handwheel enable fast, ergonomic and precise positioning of the probe head to the desired height.

Scan function incl. hand scanner

The »pilot« software scan function in combination with the hand scanner enables reliable selection of the appropriate shrink fit parameter by scanning the holder number on the shrink fit holder. Regardless of the manufacturer, all shrink fit toolholders with DataMatrix code (e.g. ZOLLER »idLabel«, ZOLLER »idChip«) are supported. In the »pilot« software, each heating process can be counted for each shrink fit chuck. In addition, a warning and wear limit can be stored in relation to the permitted heating processes.

Set-up table for »powerShrink 400«

As an alternative to installation on a workbench, the »powerShrink 300« and »powerShrink 400« can be positioned on a set-up table with ergonomically optimal working height. This provides a tidy place for the cooler and flue gas suction device. The table is optionally available with sturdy rollers and an ergonomic handle to allow variable positioning.

Configurations for »powerShrink 400 | 11«

There are 3 basic configurations for the induction coils to choose from: 1. combination of any 14 kVA induction coil with quick-change interface, changing the induction coil from one induction coil axis to the other depending on the shrink chuck length 2. combination of any 2 14 kVA induction coils without »shrinkbyLight« and without quick-change interface 3. combination of any 14 kVA induction coil with a 22 kVA induction coil with quick-change interface

With your »powerShrink«, you will receive a receiving pot as standard. Additional pots can be ordered for parallel heating and cooling. The work surface is perfectly matched to the receiving pot and ensures convenient and quiet movement.

The different mounting rings allow flexible changeover between different mounting interfaces. For all common tool holder types and sizes up to SK 50, HSK 100 and PSC 10.

Special cooling adapter

Cooling adapter for special shrink fit chuck shapes and sizes (e.g. also for D3 mm to D5 mm). Suitable for cooling bells D14 mm to D16 mm or D25 mm to D32 mm.

Storage board for mounting rings and special cooling adapters The storage board provides space for storing four mounting rings and six special cooling adapters size I or three special cooling adapters size I and size II. Tool trayFor storing socket tools at the shrinking workstation. The position of the tray can be freely selected by the operator. Shelf for cleaning brushesA shelf with all brush diameters is available for storing cleaning brushes, which can be attached to the device in any position using magnets. The brushes for cleaning the mounting hole of shrink fit chucks are also available from ZOLLER - for shaft diameters D3 mm to D32 mm, optionally made of brass or plastic. Split shielding discs with trayAn optional set of shielding discs (5 pieces) in a split design including the corresponding disc tray can be ordered for shrink-fitting offset tools.

Coil operating handle

For optimum user-friendliness, the operating handle, which is fitted on the left as standard, can be fitted on the right or on both sides. Each operating handle is equipped with two function buttons - for moving the coil and activating the heating process.

Shrinking device »toolEx«

»toolEx« helps you to remove tools from the shrink fit chuck that cannot be pulled out by hand or with pliers, such as broken tools. The set includes a holder and six ejector rods.

Length adjustment »liteSet«

Use »liteSet« to set the projection length of the tool to be shrunk. The maximum projection length is 150 mm. The set contains four clamping prisms for shank diameters D3 mm to D32 mm.

»powerShrink« | Heavy Duty Shrink Fit Tool Holder

Name: »powerShrink«
Brand: Zoller

»actbyLight«

Shrink and unshrink tools in record time while saving energy and protecting shrink fit holders: you get all these advantages with the »powerShrink« inductive shrink system. The »powerShrink« device series allows you to increase the efficiency of your production.

»actbyLight« guides you safely through the shrinking process and includes the »shrinkbyLight« coil function, LED control on the induction coil, and »coolbyLight« LED user guidance on the cooling system.

Request now 1:1 expert meeting

Using resources correctly and effectively is our motto. We leave nothing to chance, but focus shrinking on 100% efficiency - unique, innovative and simply phenomenal.

Christian Pfau, Head of Research and Development

We, the technology company ZOLLER, have focused our experience and expertise on this new product development, setting another milestone and completing the ZOLLER product portfolio. Typical ZOLLER: everything from a single source.

Christoph Zoller, Managing Director

The perfect combination of design, ergonomics and technological intelligence. The ZOLLER solution with certified safety for a resource-saving application in your production.

Alexander Zoller, Managing Director

Efficient line assembly

Up to 30% energy savings

Long-term and sustainable savings

With »powerShrink« from ZOLLER, you save time, reduce your electricity costs and protect your shrink-fit holders thanks to the perfect interplay of electronics, software and mechanics and a sophisticated, reliable shrinking process.

30% energy savings

30% energy saving

With ZOLLER induction technology, you can heat your shrink fit holders optimally. For you, this means: evenly over the entire clamping range and only for as long as necessary. This gives you shorter heating and cooling times, shorter cycle times, protects the tool holders and increases their service life.

A particular advantage of »powerShrink«, with which ZOLLER is making its contribution to sustainable use in production, is the energy saving of up to 30% compared to the previous model. We are particularly proud of this. The heat and energy is used exactly where you need it to shrink your tools in and out safely.

ZOLLER Re-inventing the induction coil

Shrink technology

The ZOLLER induction coil is an intelligent, well thought-out highlight of the »powerShrink«. Two windings connected in parallel within the coil can be activated separately and controlled differently depending on the clamping diameter and length. This enables optimum energy input into the clamping area, accelerates the heating and cooling process and protects your tool holders.

Coil with »varOct« shielding system Coil with shielding discs

When art hits the mark

Inspired by modern architecture and optical kinematics, ZOLLER's Research and Development department has created a masterpiece. The ZOLLER induction coil with »varOct« shielding system ensures maximum efficiency and ergonomics in the shrinking process.

8 ferrite elements

Ingeniously conceived. Perfectly designed. The eight variable elements of the »varOct« coil shielding slide past each other in a closed loop - a design experience. The ZOLLER uniqueness for unbeatable design and efficiency.

Flexibility in the blink of an eye

With the ZOLLER induction coil with shielding disks, you are opting for a simple, manual shrinking process for infrequent diameter changes or low variance.

Discs with different diameters ensure that the coil's magnetic field is optimally aligned and shields it accordingly. The optional »shrinkbyLight« operator guidance system, consisting of the control LED for diameter monitoring and the status display for the coils, also increases process reliability when operating your »powerShrink«.

»coolbyLight«

With »powerShrink« from ZOLLER, you can cool with maximum efficiency. The five cooling bells for standard-compliant shrink-fit holders from D6 mm to D32 mm ensure fast, even cooling thanks to their intelligent design and integrated contact cooling. Your shrink fit tool holders are protected and the high concentricity is maintained.

Cooling bells Cooling bell guide ZOLLER »zStream«

Focused on comfort and safety

The right cooling bell for every requirement: choose between the standard cooling bell or the cooling bell with »coolbyLight« operator guidance for maximum safety for your operators. Both cooling bells are available with free guidance or linear, mechanical guidance as required.

Cooling bell guide

Simply hooked in or securely guided? Choose between two variants of the cooling bell guide: the simple fixing mechanism or the linear guide for maximum comfort and safety.

The unique cooling alternative

With the »zStream« air cooling by ZOLLER you get maximal flexibility and protection with the cooling of your tools and shrink fit tool holder, independently of their contour or diameter. Tool cutting edges are in absolutely no danger of being damaged. You require absolutely no accessories such as a cooling adapter. In addition, your shrink tools are cooled evenly along their entire length.

»powerShrink 200«

ZOLLER Basic – for compact efficiency

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»powerShrink 300«

ZOLLER Advanced – for effortless routine

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»powerShrink 400«

ZOLLER Premium – for maximum flexibility

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»powerShrink 600«

ZOLLER Professional – for ultimate perfection

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»»powerShrink« 400 ❘ 11«

For standard lengths up to 460 mm and modular tools up to 1,100 mm.

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A new era has begun in shrink technology. We have not only redeveloped the key elements of shrink units. We have brought a generation of devices onto the market that is far superior to all other solutions.

High savings in energy consumption, heating with almost 100% efficiency, extremely fast cooling and clever user guidance - shrinking and unshrinking with ZOLLER redefines an established process.

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