KOST YRKA

Business Activities Kostyrka Ltd.

Presentation for EURO-TECH Stefan Schwock CTO Kostyrka GmbH Gerlingen (near Stuttgart)

Gerlingen, February 27th, 2013

KOST YRKA

KOST YRKA

Overview Company Kostyrka Product range Product samples Project handling

Discussion und questions

KOST YRKA

Kostyrka Ltd. Founded 1969 Family owned Hydraulic clamping elements for machine tools and fixtures Location Gerlingen / Southwest Germany Global player

KOST YRKA

Kostyrka Ltd.

KOST YRKA

Distributors Worldwide

KOST YRKA

Product Range Clamping elements for machines and fixtures Axial type clamping sleeve Flange type clamping sleeve Expanding sleeve Clamping strips Pressure intensifier Supporting elements Jigs and fixtures

KOST YRKA

Hydraulic Clamping Sleeve Hydraulic activated

clamping element Taking up axial forces

and torque (flange type) Reactions-free

Sleeve

Base

Cover

Seal

Part to be

clamped

Housing

KOST YRKA

Hydraulic Clamping Sleeve

Prototype 1969 Today

KOST YRKA

Clamping Action

KOST YRKA

Cylindrical Clamping Sleeve Standardized range Taking up axial forces 20 standardized sizes Ø: 0,39” – 5,9” (10mm – 150mm)

Conventional fit: H7/g6 Usually ex stock

KOST YRKA

Cylindrical Clamping Sleeve Custom made sleeve Taking up axial forces Material: bronze / steel Ø: 0,25” – 70” (6mm-1800mm)

Length: 0,8” – 35” (20mm-900mm)

KOST YRKA

Flange Type Clamping Sleeve Custom made sleeve Taking up axial forces and torque Material: bronze / steel Ø: 0,25” – 70” (6mm-1800mm)

Length: 0,8” – 35” (20mm-900mm)

KOST YRKA

Expanding Sleeve Custom made sleeve Clamping area on the

outer diameter Taking up axial forces and torque Material: bronze / steel Ø: 1/4” – 70” (6mm-1800mm)

Length: 0,8” – 35” (20mm-900mm)

KOST YRKA

Sample

Sleeve with special collar

KOST YRKA

Sample

Steel sleeve for spindle clamping

KOST YRKA

Sample

Spindle clamping with expanding sleeve

Klemmhülse

KOST YRKA

Sample

Integrated bearing seat

Bearing

seat Clamping

sleeve

Steel housing

Bearing

KOST YRKA

Sample

Sleeve with Øinternal = 1/4“ (6,35mm)

KOST YRKA

Sample

Sleeve with Øinternal = 62” (~1600mm) (© Beck)

KOST YRKA

Sample

Sleeve in dividing head (© Hofmann)

KOST YRKA

Sample Fixture for motor block (© Röhm)

KOST YRKA

Sample Sleeves inside a crosshead of a 2500t press

KOST YRKA

Sample

Milling head (© F. Zimmermann)

A-axis

C-axis

KOST YRKA

Sample Clamping device

Sleeve

Housing

KOST YRKA

Sample Clamping device A-axis (swivel table) (© Hermle)

KOST YRKA

Sample

Ball clamping device (© TK Drauz Nothelfer)

Clamping

sleeve

Ball shaped

segments

Ball pin

KOST YRKA

Sample

Hexagonal clamping sleeve

KOST YRKA

Sample

Periscope clamping device (© Zeiss)

KOST YRKA

Sample

Expanding sleeve with and without a steel ring

KOST YRKA

Sample

Clamping device C-axis (© Droop & Rein)

KOST YRKA

Clamping Ring Axial clamping device Taking up of torque Stoke up to ~0,004” (~0,1mm)

Milling head clamping device

KOST YRKA

Clamping Stripe / Cassette Hydraulic activated clamping device Custom made Ready to assembly Typical application

– Table clamping device – Slide clamping device

KOST YRKA

Sample

Clamping stripe (steel and brass)

KOST YRKA

Sample

Clamping cassette (© Traub)

Cassette

Clamping stripe

KOST YRKA

Sample

Clamping cassette (L=67”) (~1700mm) (© DS)

KOST YRKA

Sample

Ring with clamping discs (d=35”) (~890mm)

KOST YRKA

Sample

Segment with clamping discs (© Union)

KOST YRKA

Supporting Element Work piece support for

– manufacturing – measuring

Hydraulic activated Pin stroke activated by

air, oil or spring Cartridge- or universal version Standard: Pin-Ø 0,4” – 1,6” (10-40mm)

Custom made versions

KOST YRKA

Supporting Element

Hydraulic work support – air activated

Pneumatic

supply

Hydraulic

supply

Bolt

KOST YRKA

Supporting Element

Cartridge version

KOST YRKA

Supporting Element Fixture (© Hohenstein)

KOST YRKA

Sample

Custom made mandril

KOST YRKA

Sample

Expanding chuck

Expanding area

Expanding

area

KOST YRKA

Pressure Intensifier Air – Oil Standard: i=1:12 – i=1:51, V=5-30ml Oil – Oil Standard: i=1:2,2 – i=1:4, V=4-125ml Screw pumps

(manually activated) Custom made Intensifiers f. e. spring actuated, etc.

KOST YRKA

Pressure Intensifier Air-oil-intensifier

Pneumatical side

Hydraulic side

Differential piston

KOST YRKA

Special Devices Fixture for hardness test

KOST YRKA

Special Devices Spreader element with integrated sensor

Sensor

Piston

Compression

plate

Disc spring

KOST YRKA

Special Devices Manual clamping fixture (d=0,75”, height=0,5”)

Screw pump

Pressure

gauge

Handle

Clamping sleeve

KOST YRKA

Special Devices Manual clamping fixture

Clamping stripe

Screw pump

KOST YRKA

Special Devices Pin jaws for vice

KOST YRKA

Special Devices Switch actuator (©ThyssenKrupp GfT Gleistechnik)

KOST YRKA

Universal Holding Fixture UHF Adaptable fixture Freeform surfaces Locating workpiece Supporting workpiece Custom made Modular design Active / passive elements Joint Venture

KOST YRKA

Application UHF UHF

KOST YRKA

Application UHF UHF

KOST YRKA

Service For Kostyrka service means to be a

– creative partner – for new ideas

to optimize our products

– to fulfil completely our customers requirements and

– to bring out the maximum benefit

KOST YRKA

Service Request for custom made solutions Checklist Sketch of the

situation (preferable)

KOST YRKA

Operating Conditions Technological parameter Operating conditions

– Design – Assembly – Operation

KOST YRKA

Technological Parameter Pressure range 700 – 6500psi (8500psi) Temperature <= 140°C Oil viscosity <= 32 mm²/s (cSt) Holding force: F = f (diameter, length, pressure, friction)

Holding torque: M = f (diameter, length, pressure, friction)

KOST YRKA

Technological Parameter Holding force of sleeve 5350.050.100

Transmissible Force

0

10000

20000

30000

40000

50000

60000

0 100 200 300 400 500

Pressure p [bar]

Axia

l-For

ce F

a [N

]

KOST YRKA

Design and Assembly

Cylindrical clamping sleeve

Undercut Oil inlet Venting Deburring Greasing Pre-tension

~0,03% of total length

KOST YRKA

Design and Assembly

Flange type clamping sleeve Support

> approx. 100bar+ (1450psi+)

Undercut Oil inlet Venting Deburring Greasing

KOST YRKA

Operating Conditions Never pressurize without counter piece

Potential effect: Sleeve will be deformed Complete venting

Potential effect: Plastic cover will be destroyed No impurity in hydraulic oil

Potential effect: Leakage Adequate wall thickness Potential effect: Expansion will cause leakage

KOST YRKA

Extract of Customer List

• ABB Robotics GmbH • Boeing Company, USA • Carl Zeiss AG • Daimler AG • Deckel Maho Pfronten GmbH • Dörries Scharmann Technologie GmbH • Dr. Ing. h.c. F. Porsche AG • F. Zimmermann GmbH • Fibro GmbH • Gebr. HELLER Maschinenfabrik GmbH • General Electric Canada Inc., Kanada • GKN Aerospace GmbH • Hilti Aktiengesellschaft, Liechtenstein • Hofmann Mess- u. Teiltechnik GmbH & Co. KG • Hyundai Motor Company, Süd Korea • INA Tooling Technique Pvt. Ltd., Indien • INDEX-Werke GmbH & Co. KG Hahn & Tessky

• Israel Aerospace Industries Ltd., Israel • Japan Machinery Company Ltd., Japan • Lindauer DORNIER GmbH • MAN Nutzfahrzeuge AG • Maschinenfabrik Berthold Hermle AG • Robert Bosch GmbH • Romheld Australia Pty. Ltd., Australien • Schott AG • Siemens AG • StarragHeckert GmbH • Steinway & Sons Pianoforte-Fabrikanten • Swarovski AG, Österreich • ThyssenKrupp AG, Brasilien • Traub Drehmaschinen GmbH & Co. KG • TRUMPF GmbH + Co. KG • WALDRICH SIEGEN Werkzeugmaschinen GmbH • ZF Friedrichshafen AG

KOST YRKA

Contact and Info KOSTYRKA Ltd.

Dieselstrasse 6 D-70839 Gerlingen Germany +49 (0)7156 17673 - 0 +49 (0)7156 17673 - 30 info@kostyrka.com www.kostyrka.com

KOST YRKA

Thanks you for your attention and your interest