Related Manuals for Gechter 20 KHKP
Summary of Contents for Gechter 20 KHKP
- Page 1 Operation Manual NEUMATIC OGGLE RESSES DJUSTABLE UIDE 20 KHKP 60 KHKP Version 1.6 08/2009...
- Page 2 02/09/2009 Original version 05.2009 Extended safety hints; notes; formatting; no actual figures! 08.2009 Actual figures, correct machine identification GECHTER GmbH Werkzeug- und Maschinenbau Hannelore-Gechter-Straße 2 D-91074 Herzogenaurach Telefon: +49 9132 7473 - 0 Telefax: +49 9132 7473 - 710 http://www.gechter.com E-Mail: verkauf@gechter.com...
- Page 3 Internet website or to send your e-Mail address verkauf@gechter.com to en- able us to keep you up-to- date. We wish you great success and all the best for your com- pany.
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Page 5: Table Of Contents
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Contents About this manual ..................... 7 Target group....................7 Validity....................... 7 Warning notes and symbols............... 8 Other marks and symbols................8 Trademarks ....................9 Disclaimer....................9 Repository ....................9 Product description.................. - Page 6 Operation Manual Electrical connection of press ..............26 Switching on the press/acceptance test ........... 26 Installation......................29 Place ram in basic position ..............29 Remove clamping piece................30 Adjust height.................... 30 Clamp tool ....................32 Adjust stroke.................... 33 Fine tuning of height ................34 Adjust end position switch in top dead center (SEM control)....
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Page 7: About This Manual
This manual is valid for the following products: Pneumatic toggle presses 20 KHKP and 60 KHKP, with a series no. 301xxx (20 KHKP) or 81xxx (60 KHKP), and a year of manufac- ture 2009; each with extended throat and/or extended daylight and/or stroke extension as well;... -
Page 8: Warning Notes And Symbols
Operation Manual Warning notes and symbols In this manual the following marks for safety instructions will be used: TYPE OF RISK will be named Warning refers to a danger, which in case of non-observance can lead to severe injuries or in extreme cases to death. WARNING! Please adhere to the measures stated to avoid hazardous situations. -
Page 9: Trademarks
The specifications in this manual can change at any time without prior notifica- tion. reserves the right to improve and to change the product GECHTER GmbH for the purpose of technical progress without the obligation to inform persons and organizations as the result of such changes. - Page 10 Operation Manual This page was intentionally left blank. 08/2009 – 10 / 49 – Version 1.6...
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Page 11: Product Description
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Product description Overview Fig. 1 Overview linear acting pneumatic presses Stroke adjustment Door with key Position switch Press cylinder Tool fitting Height adjustment Guide unit Press table Press stand... - Page 12 Operation Manual less, a high force is effective, the final pressure builds up continuously and pre- cise works can be executed with these presses. This helps with working of thin materials especially. At the toggle presses, approach and force stroke are accomplished by means of the toggle link, which is actuated by a pneumatic cylinder according to the trans- mission.
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Page 13: Scope Of Delivery
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Scope of delivery Before mounting/commissioning please check delivery for completeness and in- tactness. In case of parts missing or showing visible damages please inform GECHTER GmbH. Quantity Art. No. - Page 14 Operation Manual This page was intentionally left blank. 08/2009 – 14 / 49 – Version 1.6...
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Page 15: Safety
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Safety Before mounting/commissioning and the use of this product this manual must be read carefully. Special attention must be paid to the following notes of this chapter as well as to the safety notes of the manual. -
Page 16: Device-Related Safety
Operation Manual Behavior in case of emergency In case of a hazardous situation immediately press the red emergency stop button of the press control! If a person is stuck in a tool and at the same time the emergency stop button at the bottom dead center of the press is activated it can happen that the person is captured. -
Page 17: Zs Control
When parts are exchanged within the scope of repair works, for safety reasons only original parts must be used. Repair works must be carried out by appropri- ately qualified GECHTER GmbH personnel. ZS control When operating the press with a ZS control, the observation of the following is mandatory (see also Operating Manual of the ZS control): 3.4.1... -
Page 18: Residual Risks
Operation Manual Residual risks Even when adhering to the safety measures mentioned there are residual risks when using the device: During maintenance and servicing with switched off air supply the ram can fall. Therefore, before start of work an appropriate support has to be inserted into the tool which will be able to carry the maximum press force of the press. -
Page 19: Rules And Regulations
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Rules and regulations Use for intended purpose The linear acting pneumatic presses may exclusively be used for pressing, as- sembling, mounting, riveting, punching, bending, embossing and cutting opera- tions. - Page 20 Operation Manual Standard Version Title 98/37/EG 1998 Machinery directive 2006/95/EG 2006 Low voltage directive (only for presses with a control) 2004/108/EG 2004 EMC directive (only for presses with a control) 9. GPSGV 2008-06 9. Verordnung zum Geräte- und Produktsicherheitsgesetz (Maschinenverordnung) (for Germany only) EN 349 2008-09...
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Page 21: Disposal
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Disposal If the product will finally be put out of operation, requirements and laws regulated by public law regarding disposal can exist. Therefore, we recommend that you contact your... - Page 22 Operation Manual This page was intentionally left blank. 08/2009 – 22 / 49 – Version 1.6...
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Page 23: Mounting And Commissioning
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Mounting and commissioning The press will be delivered mounted ready for use. Mounting of accessories may be necessary in special cases (pay attention to separate manuals of accesso- ries). -
Page 24: Transport Of Press
Before commissioning you must fix the press by means of the four bores on the press stand (Fig. 3). 20 KHKP: Ø 9 mm 60 KHKP: Ø 12 mm Fig. 3 Bores on foot of press stand 08/2009 –... -
Page 25: Pneumatic Connection Of Press
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Pneumatic connection of press According to EN 13736 a service unit for pneumatic presses is mandatory. For this reason GECHTER - presses will always be delivered with the appropriate service unit. -
Page 26: Electrical Connection Of Press
Operation Manual Adjust operating pressure via the pressure reducing valve of the service unit. In doing so, observe the maximum permissible operating pressure of the press (→page 43, Technical data). The pneumatic pressure that is available from the grid is shown on the digital display of the pressure switch on the pressure reducing valve. - Page 27 GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP The overrun monitoring test was performed already in the factory for new pres- ses. Therefore it doesn't have to be performed again when switching on the press for the first time, but only in the intervals given in the Operation Manual of the control.
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Page 29: Installation
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Installation RISKS OF INJURY due to maloperation! Installing of the press and setting of the tool may only be carried out by WARNING! skilled personnel with the relevant technical qualification and expertise.. -
Page 30: Remove Clamping Piece
Operation Manual Remove clamping piece There is a clamping piece at the bottom side of the press ram holding the clamp- ing pivot of the tool. Move press ram in operating mode "Setup" into bottom dead center (→ Operation Manual of press control). - Page 31 GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Remove the three or four clamping screws of the clamping of the guide unit (Fig. 8, Pos. 1) with a box wrench but do not completely remove. Loosen the clamping screw on the threaded spindle (Fig.
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Page 32: Clamp Tool
The front door must remain closed during all press operations! WARNING! To clamp the tool to the press table, T slots according to DIN 650 are available: 1x M8 x 10 centric at the 20 KHKP 2x M10 x 12 center symmetric at the 60 KHKP 08/2009 –... -
Page 33: Adjust Stroke
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP To avoid [Verschneiden und Verspannen] of the tool, first the upper tool must be clamped to the ram, and after that the lower tool must be clamped to the press NOTE table. -
Page 34: Fine Tuning Of Height
Operation Manual For presses with a SEM controls the position of the position switch for the top dead center must be tested and, if needed, readjusted after finishing the NOTE adjustment work (→ page 35, Adjust end position switch in top dead center). Fine tuning of height Optionally, the 60 kN KHKP press is equipped with a fine-tuning device for the press ram (not available for 20 kN KHKP). -
Page 35: Adjust End Position Switch In Top Dead Center (Sem Control)
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Adjust end position switch in top dead center (SEM control) If the press stroke for presses with a SEM control was changed, the position of the position switch for the top dead center must be newly adjusted after finishing the positioning works. -
Page 36: Setting Pressure
Operation Manual Setting pressure With the pressure regulator of the service unit the pressure for the required force can be adjusted (→ Operation Manual of service unit). The press force increases or decreases proportionally with the pressure. It is not always necessary to work under maximum operating pressure. -
Page 37: Inspection And Maintenance
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Inspection and maintenance RISKS OF INJURY due to maloperation! Installing of the press and setting of the tool may only be carried out by WARNUNG! skilled personnel with the relevant technical qualification and expertise.. -
Page 38: Greasing Points
Operation Manual Greasing points The grease nipple for the inverted V guide is on the front side of the press ram (Fig. 14). The inverted V guide must be oiled daily with contact surface oil (e.g. Shell T 68) during high load; otherwise if necessary. -
Page 39: Readjust Adjustment Gib
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP must be performed and, if necessary, documented according to the required pro- cedures and time intervals. Readjust adjustment gib If the press ram has insufficient or too much play, i.e. is either jammed or cannot move sideways the adjustment gib must be readjusted. - Page 40 Operation Manual This page was intentionally blank. 08/2009 – 40 / 49 – Version 1.6...
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Page 41: Troubleshooting
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Troubleshooting The following table contains a summary of possible device errors, their causes and recommended corrective measures. Symptom Possible cause Corrective measure Nominal press force will not be Seal kit is worn out Change seal kit*;... - Page 42 When parts are exchanged within the scope of repair works, for safety reasons only original parts must be used. Repair works must be carried out by WARNING! appropriately qualified personnel. GECHTER GmbH 08/2009 – 42 / 49 – Version 1.6...
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Page 43: Technical Data
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Technical data Pneumatic toggle presses 20 / 60 kN KHKP Measured variable 20 kN KHKP 60 kN KHKP Operating pressure min. – max. 3 – 6 bar Press force at 7 bar ca. - Page 44 Operation Manual Max. dimensions of upper tool with return stroke protection Max. dimensions of lower tool Tightening torque of clamping 90 Nm screw of guide unit Only for electric control: Mains voltage 110-230V AC, 50 – 60 Hz, ca. 1 A Max.
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Page 45: Dimensional Drawings
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Dimensional drawings Version 1.6 – 45 / 49 – 08/2009... - Page 46 Operation Manual Diese Seite wurde absichtlich frei gelassen. 08/2009 – 46 / 49 – Version 1.6...
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Page 47: Available Models, Spare Parts And Accessories
GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP Available models, spare parts and accessories 10.1 Available models The following variants of presses are available with the order numbers indicated below: Pneumatic toggle press, without control, without valve Type Order No. -
Page 48: Spare Parts
Operation Manual Accessory Type for press Order No. ZS control ZS06M 20 kN KHKP X2010.001 with MS measuring system integrated with text 60 kN KHKP X2010.002 display, with force and displacement sensor ZS control ZS06FM 20 kN KHKP X2012.001 with foot switch instead of two-hand panel 60 kN KHKP X2012.002 with MS measuring system integrated with text... - Page 49 GECHTER – Pneumatic toggle presses 20 kN KHKP, 60 kN KHKP This page was intentionally left blank. Version 1.6 – 49 / 49 – 08/2009...