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Summary of Contents for SMW Autoblok KNCS-NB
- Page 1 QUICK JAW CHANGE POWER CHUCK Type KNCS-NB Type KNCS-NBX...
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Page 3: Table Of Contents
Danger of damage to the machine, the power without our written agreement. chuck or the components. The service manual is a part of the power chuck KNCS-NB/ KNCS-NBX and must be passed to the new owner in case of sale. -
Page 4: Declaration Of Incorporation
Installation in machine tool Type: KNCS-NB / KNCS-NBX is intended to be installed into a completed machinery. It must not be put into service until the final machinery into which the partly completed machinery it is to be incorporated has been declared in conformity with the provisions of the EU machine directive (2006/42/EC) Annex II,B. -
Page 5: General Safety Instructions
General safety instructions General safety instructions 1. Correct use 6. Remaining risks SMW-AUTOBLOK power chucks work safely and trou- The type of components (shape, weight, unbalance, ma- blefree if they are used according to their specification i.e. terial etc.) has a big influence on the system “machine to clamp components on turning machines. -
Page 6: Description Of Function
The codes on the description of the type have the following meaning: Number of jaws Through hole / bore Z = Center mounting Chuck o.d. A = Short taper mounting Bright jaws Size of center mounting SMW-AUTOBLOK Type Size of short taper KNCS-NB 210-52-3-Z170 SMW-AUTOBLOK... - Page 7 If jaws are not inserted correctly the jaws cannot be enga- KNCS-NB / KNCS-NBX wedge bar design ged and the key cannot be removed (see below). KNCS-NB / KNCS-NBX jaw safety interlock (patented) Safety pin Safety pin Jaw is inserted incorrectly.
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Page 8: Technical Data Kncs-Nb
Technical data KNCS-NB Subject to technical changes Dimensions and position of base jaws are depending on top jaw type SMW-AUTOBLOK Type KNCS-NB 210-52 KNCS-NB 225-66 KNCS-NB 260-78 KNCS-NB 275-86 KNCS-NB 325-104 Mounting Size Z170 Z170 Z170 Z220 Z220 Z220 Z300 106.39 139.73... - Page 9 Technical data KNCS-NB For highest speeds: flat gripping force curve 340-117 325-104 400-128 260-78 500-155 210-52 630-165 800-165 Speed (rpm) Speed (rpm) The data in the diagrams refer to 3-jaw-chucks, newly maintained according to their Safety advice / danger of damage: service manuals using SMW-AUTOBLOK K05 grease.
- Page 10 Technical data KNCS-NB Size KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB KNCS-NB Spindle 210-52 225-65 260-72 275-86 315-91 340-117 400-128 500-155 630-165 800-165 mounting Centering Z170 Z220 Z300 Z300 rim small 064330 064613 064303 064306 Centering Z170 Z170...
- Page 11 Actuating cylinder KNCS-NB / KNCS-NBX Actuating cylinders with and without through hole SIN-S SIN-HL Hydraulic open center Hydraulic closed center Hydraulic closed center cylinder with built-in safety cylinder with built-in safety cylinder for high-low clam- valves, piston stroke control valves and piston stroke...
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Page 12: Technical Data Kncs-Nbx
Technical data KNCS-NBX Subject to technical changes Dimensions and position of base jaws are depending on master jaw type SMW-AUTOBLOK Type KNCS-NBX 425-170 KNCS-NBX 530-210 KNCS-NBX 630-262 KNCS-NBX 800-262 KNCS-NBX 1000-262 Mounting Size Z380 Z380 Z520 Z520 Z520 1000 284* 284* 284* 196.88... - Page 13 Technical data KNCS-NBX Size KNCS-NBX KNCS-NBX KNCS-NBX KNCS-NBX KNCS-NBX Spindle 425-170 530-210 630-262 800-262 1000-262 mounting Centering Z380 Z380 Z520 Z520 Z520 rim large 160080 160090 069760 069770 069780 A 11 160081 160091 A 15 160082 160092 069768 069778 069788 A 20 069769 069779...
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Page 14: Installation
Chuck without rotating ring nut Partial open center Insert draw tube with chuck into the machine spindle. Use mounting belt or eye screw. KNCS-NB chucks carry a transpor- tation thread from size 260 on. Check draw bar length with cylinder in frontend positi- on. - Page 15 Do not exceed torque! Position chuck concentric in front of the machine spindle by means of suitable lifting equipment. Use mounting belt or eye screw. KNCS-NB chucks carry a transportation thread from size 260 on. Bolt 10.9 ISO 4762...
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Page 16: Operation
Md (Nm) Jaws of other manufacturers: Safety risks due to wrong material or heat treatment Danger of damage of your KNCS-NB / KNCS-NBX chuck due to wrong dimensions / tolerances No warranty from SMW-AUTOBLOK Boring of soft jaws Boring ring Boring ring i.d. - Page 17 Jaw change Changing or re-positioning of the jaws Do not actuate foot pedal Danger of damage to the chuck! Foot pedal chuck: OPEN Changing / repositioning of the jaws is possible only in chuck Remove / reposition position “OPEN”. jaw 1. Do not actuate foot pedal Do not actuate foot pedal Danger of damage to the...
- Page 18 Jaw change Jaw safety interlock: Danger of damage to the chuck! Key can only be removed in pos. I. Never actuate foot pedal (chuck) when key is Key can only be rotated back from pos. II into engaged for jaw change. pos.
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Page 19: Maintenance
Maintenace / Lubrication Regular maintenance is the basis for correct func- tion, high service life, precision and clamping force of the clamping chuck. Check gripping force regularly with gripmeter (GFT-X)! Never use coolants which dissolve the grease! Maintenance intervals at normal conditions / using coolant Measurement Lubricate with Disassemble + clean... -
Page 20: Disassembling / Repair
Disassembling / Repair Removal of the chuck from the machine spindle Do not actuate foot pedal Danger of damage to the chuck! If the chuck does not release from the spindle: Insert jaws again and do I.D. gripping on a solid ring or com- ponent. - Page 21 Disassembling / Repair Disassembling (Part numbers refer to spare parts list on page 22) Chuck with rotating ring nut: Retaining ring (18) is locked with a set screw (17) against loosening. Do not disassemb- le when disassembling/cleaning the chuck. When using special threaded rings (19) the retaining ring (18) has to be disassembled and afterwards secured against loosening in a proper way (new bore + thread for set...
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Page 22: Spare Parts
Spare parts SMW-AUTOBLOK... - Page 23 3 (6) from size KNCS-NB 260 Bolt Bolt Grease nipple Set screw For spare parts orders please advise chuck type and serial No.! Ordering example: For KNCS-NB / NBX 210-3 chuck serial No. 100912 Pos. 5: 1 set wedge bars SMW-AUTOBLOK...
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Page 24: Trouble Shooting
Trouble shooting Trouble shooting Trouble Caused by Action Heavy vibrations on the Inbalance due to component or top jaws Change shape of top jaws or balance with machine spindle counterweights on the chuck body Inbalance on the parts: Actuating cylinder defect one after another. machine spindle Center, balance or replace the parts drive... - Page 25 Notice Notice SMW-AUTOBLOK...
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Page 26: Calculation Formulas For Practical Use
Calculation formulas for practical use Important calculation formulas for practical use = req. static chuck grip force [N] Fspd = dyn. chuck grip force [N] Fsp = = machining torque [Nm] = depth of cut [mm] = machining diameter [m] = specific cutting force [N/mm²] (see diagram) = speed [rpm] Fc =... - Page 27 Calculation formulas for practical use Gripping force / speed diagram KNCS-NB 210-52 - KNCS-NB 325-104/340-117 340-117 325-104 260-78 210-52 Speed [rpm] KNCS-NB 400-128 - KNCS-NB 800-165 400-128 500-155 630-165 800-165 Speed [rpm] The diagrams refer to 3-jaw chucks. The max. gripping force is the total, acting on the 3 jaws, obtained by applying to the chuck the max. allowed traction to the draw bar.
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Page 28: Warranty 12 And 24 Months
Warranty 12-months warranty Product: Power chuck SMW-AUTOBLOK provides a warranty on the purchased product for 12 months from the date of purchase as stipulated in our General Terms of Sale in the following cases: The defect was not known to the customer at the time of purchase. The defect is not due to wear as a result of use. - Page 29 Warranty 24-months warranty -optional- Product: Power chuck For an additional fee, SMW-AUTOBLOK offers a warranty on the purchased product for 24 months from date of purchase as a modification to the 12-month limitation period stipulated in our General Terms of Sale if the following conditions are met: An extension of the warranty from 12 to 24 months has been agreed upon in writing with SMW-AUTOBLOK.
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Page 30: Documentation Of Maintanance
Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks... - Page 31 Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks...
- Page 32 Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks...
- Page 33 Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks...
- Page 34 Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks...
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Page 35: Confirmation Of Receipt Of The Manual
Documentation of maintenance Product :_________________________ Documented regular maintenance is the basis for warranty and long service life! Serialno. :_________________________ Maintained accor- Maintained accor- ding to instruction ding to instruction manual manual Operating hours Operating hours Name Name Date Date Signature Signature Remarks Remarks... - Page 37 Empfangsbestätigung für die Betriebsanleitung Confirmation of receipt of the instruction manual Hiermit bestätigt die vom Betreiber/ Anwender This certifies the operator assigned by the opera- beauftragte Person ting company Herr/ Frau Mr./Mrs. den Erhalt der Betriebsanleitung sowie deren hereby confirms to have received the instruction Inhalte, insbesondere das Kapitel Sicherheit manual and to have read and understood the gelesen und verstanden zu haben.
- Page 40 SMW-AUTOBLOK Spannsysteme GmbH AUTOBLOK s.p.a. Via Duca D‘Aosta n.24 Fraz. Novaretto I-10040 Caprie - Torino Tel.: +39 011 - 9632020 Vertrieb Inland: Tel.: +39 011 - 9632121 Fax: +39 011 - 9638456 E-mail vertrieb@smw-autoblok.de E-mail autoblok@smwautoblok.it Sales International: E-mail sales@smw-autoblok.de U.S.A.
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