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Operating Manual
Safety Locks series KRGP
Pneumatic / compressive load
Operating Manual BA-S12
Safety Locks series KRGP
þ high holding forces through self-reinforcing clamping
þ for static loads
þ compact design
© SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com
Original instructions BA-S12-en-1-15
1/28
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Table of Contents
Summary of Contents for SITEMA KRGP Series
- Page 1 Safety Locks series KRGP þ high holding forces through self-reinforcing clamping þ for static loads þ compact design 1/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com...
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Page 2: Table Of Contents
Taking up the load ................ 24 10 Inspection, maintenance and cleaning.......... 24 10.1 Inspection .................. 24 10.2 Maintenance ................... 25 10.3 Cleaning .................. 25 2/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... - Page 3 12 Repairs .................... 26 13 Disassembly and disposal.............. 26 13.1 Disassembly ................... 27 13.2 Disposal.................. 28 14 Technical data sheet ................ 28 3/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com...
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Page 4: General
Indicates a potential danger which may result in damage to assets or harm to the environment if not avoided. 4/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 5: Warranty
M can lead to damage on the rod and Safety Lock. Ü Do not overload the Safety Lock. 5/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 6: Regular Performance Testing
The Safety Lock must be returned to SITEMA without delay for professional servicing and acceptance testing. 6/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 7: Responsibility Of The Machinery Manufacturer
Safety boots protect the feet against crushing, falling items and falling on slip- pery floors. Ear defenders Ear defenders protect the ears against excessively loud noise and prevent acoustic trauma. 7/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 8: Labeling
Min. operating pressure 3.5 bar Min. operating pressure when using a spring base 4.5 bar Max. operating pressure 10 bar 8/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 9: Operating Conditions
• Protect the interior of the housing against penetration of corrosive media and dirt. • Clamp the rod preferably only once it has come to a complete standstill. 9/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 10: Design And Function
The Safety Lock has not yet taken up the load when this happens. The clamping action can be released by increasing the pressure at pressure port 10/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 11: Layout
The load is transmitted into the machine part via the mounting side of the Safety Lock. 1. Series KRG is stationary: direction of load movement Fig. 3: Series KRG stationary 11/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 12: Ports
A safe state is only assured when signal 1, “load secured”, is being received. This signal must be processed and displayed by the machine controller. 12/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 13: Transport, Packaging And Storage
• The forklift operator must be licensed to operate materials handling vehi- cles equipped with a driver's seat or cab. 13/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 14: Storage
The ad- missible surface temperature is 0 – 60 °C. For more information on operating conditions see Chapter 3.3 Operating conditions [} 9]. 14/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 15: Requirements For The Clamping Rod
• induction hardened min. HRC 60, surface hardening depth min. 1 mm or 1.5 mm • surface roughness: Ra 0.15 – 0.25 μm 15/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 16: Installation
• Provide a temporary pressure supply through a clean connection line. • Use only a dry, ungreased rod. 16/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 17: Attach Safety Lock
To fix the Safety Lock use only the threads or holes on the mounting side - see Chapter 4 Design and function [} 10]. 17/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 18: Making Pressure Connection
Ü Lay all connection lines without kinking. Ü If there is a risk of kinking, take precautions (protective tubing, thicker tube walling, etc.). 18/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 19: Checking Port T
► Check whether the air filter is fitted on port T. 19/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 20: Connect Proximity Switch (Optional Equipment In Special Designs)
In some cases even daily fully automated testing is necessary. This detects any trouble at an early stage. 20/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 21: Testing Holding Force
8 kN (max. load in operation) + 4 kN (50 % max. load in operation) = 12 kN (test force) 21/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 22: Testing Proximity Switch Functionality
8.2 Testing proximity switch functionality The proximity switches send two signals: • signal 1 “load secured” • signal 2 “clamping released” 22/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 23: Putting Into Service
The clamp can only be released with an intact drive. No increased force is re- quired for release. 23/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 24: Securing The Load
(Damaged wipers might let dirt into the clamping system. Worn or damaged wipers must be replaced by original SITEMA parts.) 24/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 25: Maintenance
Ü Clean only using a soft cloth and cleaning products which are not harm- ful to the materials. Ü Do not apply any lubricants (grease) to the rod. 25/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 26: Troubleshooting
• electrician Personal protective equipment: • goggles • protective gloves • safety boots • industrial helmet • ear defenders 26/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 27: Disassembly
8. Pull the rod out of the Safety Lock. 9. Disconnect the temporary pressure supply from the Safety Lock. 27/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com... -
Page 28: Disposal
The data is accurate at the time of printing this manual. The latest version is available at www.sitema.com at any time. Documents about this 2 (Resources/pdf/66505867.pdf) 28/28 © SITEMA GmbH & Co. KG . G.-Braun-Straße 13 . 76187 Karlsruhe (Germany) . Phone: +49(0)721/98661-0 . Fax: -11 . www.sitema.com...
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