Ortlieb Tool-Grip-HSK Guide

Version 02.08.2019

Technical Documentation

Tool-Grip®-HSK

Tool grippers for Hollow Taper Interface

DIN 69893 / DIN 69063 / ISO 12164-1 + ISO 12164-2

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

Content:

General ..................................................................................................................................4

1.1

Introduction.....................................................................................................................4

1.2

Guarantee ......................................................................................................................5

1.3

Intended Use ..................................................................................................................6

1.4

Initial start-up..................................................................................................................6

Product-description ................................................................................................................7

2.1

Tool-Grip

Standard .......................................................................................................8

2.2

Tool-Grip

Repair-kit.......................................................................................................8

2.3

Tool-Grip

Maintenance-free ..........................................................................................9

2.4

Tool-Grip

with holding function....................................................................................10

Accessories..........................................................................................................................11

3.1

Technical data ..............................................................................................................11

3.2

Spare parts...................................................................................................................11

Mounting instruction .............................................................................................................12

General Safety Instructions ..................................................................................................14

5.1

Checklist for Installation................................................................................................16

5.2

Troubleshooting............................................................................................................18

Assembly declaration ...........................................................................................................19

Shipping data .......................................................................................................................20

1. General

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

1 General

1.1 Introduction

This operation instruction will help you to operate your Ortlieb product safely and to avoid

accidents, possible dangers and risks.

Please read this operation instruction and the safety instructions carefully before initial start-up.

This documentation provides all information on operating and maintaining your Ortlieb product.

Ortlieb Präzisionssysteme GmbH & Co. KG assumes no liability for damages and interruptions

caused by disregarding several articles of this documentation.

Ortlieb Präzisionssysteme GmbH & Co. KG reserves the right to make any technical changes and

improvements to this product. No liability on literal mistakes.

For Start-up, operation and maintenance, the information in this manual must be supplemented by

the relevant national and international „safety and accident prevention regulations“. Compliance

with the safety regulations and statutes will prevent injury and damages to machinery and this

product.

1. General

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

1.2 Guarantee

Products of Ortlieb Präzisionssysteme GmbH & Co. KG are produced according to national and

international standards as well as company standards, supervised by a certified quality assurance.

For those products Ortlieb Präzisionssysteme GmbH & Co. KG assumes liability in the manner that

parts with material or production defects proven within 12 month after purchasing were repaired

free-of-charge, replaced by new ones or taken back to the charged price.

In the event of improper assembly and operation, use of non-original spare parts, unauthorized

modifications to our product we shall assume no liability for personal injury or damage to

machinery and our product.

We shall assume no liability for damage of any type resulting from the removal of safety devices.

We take the initial start-up of our products on appropriate and technically flawless machines by

qualified and continuous trained personal for granted.

1. General

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

1.3 Intended Use

Use the tool-grippers only for the intended use. Insufficiently clamped tools or work-pieces, failure

to comply „safety and accident prevention regulations“, and the use of work-pieces and our

products on machines that are not intended for this propose, can result in personal injury and

damages to the clamping devices. In this case, we shall assume no liability. Do not apply force

during assembly, disassembly and operation; this could damage the clamping device or the

machine.

1.4 Initial start-up

A function check is implicitly before initial operation of the tool-gripper. To ensure a safe and

precise operation of the tool-gripper during machining, a sufficient clamping force must be

provided. Check the clamping force.

See Checklist for Installation p.16

The tool-gripper, especially the function surfaces must be clean and lubricated sufficiently. It is

strongly recommended to grease with “lubricant metal (Metaflux)” (special grease).

METAFLUX-lubricant metal paste Nr. 70-8508

Pay attention:

Mixture with other greases is not allowed!

Techno-Service GmbH (Metaflux-Dealer),

Detmolderstr. 515; 33605 Bielefeld, Germany

Phone: +49 (0) 521/92444-0, Fax: +49 (0) 521/207432

Never exceed the axial and radial forces specified on the tool-gripper. Check the clamping force

regularly!

2. Product-description

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

2 Product-description

The Ortlieb Tool-Gripper distinguishes by a simple outline in the spindle and compact dimensions.

The rubber-bonded clamping segments are designed for maximum clamping force and high

revolutions, especially for HSC-machining and are rated for a life time of 2 mio. load alternations.

The large central cooling feed provides a secure cooling when using coolant lubricant or MQL

(minimal quantity lubrication).

Pos.

Description

1 Segments

2 Draw-bolt

3 Pin

4 Ring spring

5 Disk springs

6 Drawbar

7 Tool

8 Spindle

Function:

Milling spindles on machine tools are usually fitted with conventional spring loaded tool clamping

systems. The tool-gripper operates on pulling force.

The six rubber-bonded clamping segments were spread equally by the taper on the draw-bolt and

draw-in the tool-holder by the 30°-shoulder into the taper of the machine spindle. During clamping,

25% of the clamping force is dispensed upon the taper, 75% upon the front surface. Thus, also

with high machining forces it is granted, that the tool never lifts from the front surface.

To change the tool, the disk springs were compressed, usually by a hydraulic cylinder. The draw-

bolt is pushed by the drawbar to the front, releases the clamping segments and pushes the tool by

force out of the spindle taper. The ring spring provides a closing of the clamping segments which

release the tool for changing.

2. Product-description

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

2.1 Tool-Grip

Standard

The Standard-Tool-gripper for high clamping forces and high

revolutions with large central cooling feed. Maintenance friendly

and persistent.

By its simple design and few components, this tool-gripper is mounted quickly, extreme

maintenance friendly and persistent.

Your benefit:

- Designed for high clamping force and high revolutions (Technical p.11)

- Large central cooling feed for cooling lubricant or MQL

- Maintenance friendly and persistent

2.2 Tool-Grip

Repair-kit

The repair-kit tool-gripper allows to restore and rework worn

spindles by regrinding the taper and the front plane surface.

Designed especially for spindle-services and the rework of used spindles. Worn spindles were re-

grinded on the front plane surface and the taper. This repair-kit allows to double the life time of

spindles without the loss of clamping force or accuracy which safes money for expensive spare

parts.

Your benefit:

- Cost efficient: Allows rework and regrinding the machine spindle

- Easy replacement of the tool-gripper

- Available in standard version, maintenance-free or with holding function

2. Product-description

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

2.3 Tool-Grip

Maintenance-free

The version with ceramics on the draw-bolt is complete

maintenance-free up to 3 mio. load alternations with constant

clamping-force. Afterwards, just the clamping segments have to be

replaced. The draw-bolt can be reused.

Function:

The incomparable sliding properties and wear-resistance of the steel-ceramics combination is

undisputable since the introduction of the hybrid-bearing. Ortlieb offers those advantages for the

first time ever for tool-grippers.

Insiders are aware of the problems of constant decreasing clamping force caused by a lack of

maintenance. As long as the maintenance instructions are kept, constant clamping force is

guaranteed over the total life time. Reality shows that regular maintenance and re-greasing is not

accomplished with the required care. Result: the clamping force decreases rapidly and the life-time

of the clamping system is extremely shortened (black line).

After initial lubrication, the tool-gripper with ceramics stands 3 million load alternations with

constant clamping force without maintenance. (red line)

Your benefit:

- After initial lubrication maintenance-free up to 3 mio. load alternations with constant

clamping force

- Available as standard, repair-kit and with holding function

2. Product-description

Ortlieb Präzisionssysteme GmbH & Co. KG • Jurastr.11 • 73119 Zell unter Aichelberg • Germany

e-mail: [email protected] • www.ortlieb.net

2.4 Tool-Grip

with holding function

These tool-grippers are especially designed for even faster

changeovers. The already released tool is held safely in the spindle

with a defined force till the tool changer pulls the tool out of the

spindle.

Function:

By replacing the standard tool-gripper by a tool-gripper with holding function (p.11) faster

changeovers are possible.

Connection dimensions and the stroke are the same to the standard version. During the release of

the draw-bolt pushes the tool-holder 0.2 +0,2 mm out of the taper of the spindle. The tool-holder is

held on the 30° shoulder by clamping segments with small slots in a distance of 0,5 - 0,6mm to the

front plane surface of the spindle. When the tool-holder is pulled out by the tool-changer, the

clamping segments with the slots act as a spring with adjustable holding force. When the tool-

changer pushes a tool-holder in the spindle, the clamping segments were compressed and hold

the tool-holder on the 30°-shoulder in a distance of 0,5 - 0,6 mm to the front plane surface of the

spindle.

Your benefit:

- Faster changeovers due to holding function

- Simply replace the standard tool-gripper with same installation dimensions

- Tool-grippers with different holding forces on demand

Technical advices:

- Blow-out air: Force which occurs by blow-out air has to be lower than the holding force

- Tool-weight: Limiting the tool weight is strongly recommended

- Release velocity: To ensure a safe tool-holding, decreasing of the release velocity can be

necessary.

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