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SBS System – SB-1000 Operation

Benefits of SBS SB-1000 Balance Control:

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Enhanced digital electronic design with increased operating life and reliability

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Easy to install and operate

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Increases throughput by saving setup time

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Improves part quality by automatically balancing to 0.02 micron

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Longer life for grinding wheels, dressing wheels and spindle bearing

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Icon based User interface for international adaptability

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Backed by world-class SBS customer service

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Works with existing SBS installations

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Summary of Contents for SB-1000

Page 1: ...SB 1000 Balance Control Operation Manual LL 1100 Rev 1 2a ...

Page 2: ...o achieve your intended results and for the installation use and results obtained License Terms And Conditions a You are granted a non exclusive perpetual license to use the Software solely on and in conjunction with the product You agree that the Software title always remains with Accretech SBS Inc b You and your employees and agents agree to protect the confidentiality of the Software You may no...

Page 3: ...ecification Manual for the SB 1000 Balance Control LL 1100 Manual Revision 1 2a 2020 Accretech SBS Inc Corporate Offices 2451 NW 28th Avenue Portland OR 97210 USA sales accretechSBS com Tel 1 503 595 4270 Fax 1 503 227 5040 https accretechsbs com ...

Page 4: ...ility Easy to install and operate Increases throughput by saving setup time Improves part quality by automatically balancing to 0 02 micron Longer life for grinding wheels dressing wheels and spindle bearing Icon based User interface for international adaptability Backed by world class SBS customer service Works with existing SBS installations ...

Page 5: ...lancer Sizing Automatic Balance Mode 11 Limit 11 Tolerance 11 Critical Vibration 11 Timing of Auto Balance 12 Setup Overview 12 Select Balance Mode Automatic or Manual 12 Setup Mode Operation 12 Automatic Balance Mode 13 Setup Automatic Mode 13 Automatic Balance Operation 14 Manual Weight Movement Automatic Balance Mode 14 Manual Balance Mode 15 Setup Manual Mode 15 Manual Balance Overview 16 Trim...

Page 6: ...SBS System SB 1000 Operation Factory defaults 30 Appendix A Specifications 31 Appendix B Replacement Parts List 32 Support 32 ...

Page 7: ...imum Grinding Machine Efficiency Minimal Installation Requirements Attractive Purchase Price Operator Safety Summary This summary contains safety information necessary for operation of the SBS Balance System for grinding machines Specific warnings and cautions are found throughout the Operation Manual where they apply but may not appear in this summary Before installing and operating the SBS Balan...

Page 8: ...alancer to correct for various and changing imbalances which occur on the grinding machine The balance weights are driven by high torque electrical motors through a precision gear train and can be independently positioned to compensate for any imbalance within the specifications of the system The automatic balance cycle is complete when the balance weights are positioned so that minimum vibration ...

Page 9: ...ration producing machinery is operating nearby Other sources of vibration may also include components mounted on the machine itself such as pumps motors drives etc The SBS Balance System may not operate efficiently under the influence of some external vibrations The system filters the vibration signal it detects from the grinding machine by the frequency of the spindle RPM Vibrations occurring at ...

Page 10: ...r line may be installed at installation Caution Before applying power to the Control make sure the supply voltage is within specified range 2 Earth Ground Connect this M5 stud to the GND 3 Optional CNC Interface Standard DB 25 connector for connecting to a grinding machine controller A complete description of this relay based interface is given in the Hardwire Interface section 4 Balancer RPM Sens...

Page 11: ...ed On some machines the wheel guard can be a good location to mount the sensor if it is heavy enough and rigidly attached to the spindle housing The balance system relies on vibration signals received from the Vibration Sensor to accurately display the current vibration level in peak to peak units and to balance the grinding wheel The system employs narrow bandwidth filters that prevent vibration ...

Page 12: ...d any part of the machine e g workhead tailstock especially with the wheel at its smallest diameter Modify the machine guarding if needed to provide clearance from the Balancer Machine guarding should be modified to allow the rotary junction and cable to extend outside the guard The Balancer Cable should be restrained to prevent the cable from being caught up in the rotating machine but should all...

Page 13: ...ector can also be mounted at the wheel end of the spindle directly attached to the balancer eliminating the need for the cable bore down the center of the spindle RPM Sensor Manual mode An RPM Sensor is required in Manual Balance mode The SBS sensor SB 1800 pictured below is a proximity type sensor with M12 cable connection This sensor is recommended for permanent installations The cable is sold s...

Page 14: ...n of single machine or multiple machine operation 3 Cancel button Press to cancel the operation in progress or cancel the last selection or entry made This button also clears any displayed error message 4 Balance button Press to start a balance operation either automatic or manual depending on current mode set 5 Manual button When in Automatic Balance mode press this button to access the Manual We...

Page 15: ...Single machine operation should be used for a dedicated installation When Multiple Machine operation is selected the power up screen for the control is immediately followed by the machine selection screen This allows the user to verify that the selected machine ID matches the ID of the machine the control is operating on It is recommended that the grinding machines in such a scenario are labeled w...

Page 16: ...d position on the graph indicates the current level set for the Balance Tolerance relative to the measured vibration level 6 Critical Balance Level This fixed position on the graph indicates the current level set for the Critical Balance relative to the measured vibration level 7 Status indication area Displays a number of icons to indicate status conditions The general status indications common t...

Page 17: ...consultation In the interim do not allow the grinder to operate for extended periods with high vibration levels Limit The SBS Balance System will automatically balance to a user specified low limit of vibration the Auto Balance Limit The Limit represents the best balance achievable and is the target vibration level during an automatic balance cycle It is factory set at 0 4 microns displacement A b...

Page 18: ...screen Automatic Balance Mode Manual Balance Mode The or buttons will change the selected mode The selected mode is highlighted with Automatic mode being selected in the above screen Press Setup or Manual button to accept the current selection Press Cancel to exit selection without saving changes The next screen displayed will be the first setup screen in the active mode Setup Mode Operation There...

Page 19: ...lance Mode Setup Automatic Mode There are four settings under the Setup button in this mode These settings are described in the Preparing to Set Operating Parameters section Each press of the Setup button will present each of these settings in the following sequence The Limit setting is displayed at the first press of the Setup button The Limit indicator flashes to emphasize this mode The edit ran...

Page 20: ... balance weights is useful for performing diagnostic tests and allows operators to manually balance machines where needed From the Main screen press the Manual button to display the Manual Weight Movement screen showing the symbol in the status area of the screen If an incoming RPM signal is not detected then this screen will request a Manual RPM value be entered The RPM value is changed using the...

Page 21: ...ions in an equally spaced fixed pattern such as a bolt circle are available for adding variable mass weights If Fixed Positions is selected then the following screen is displayed and allows for editing the number of fixed positions from 3 to 99 The positions are assumed to be evenly spaced in a 360 degree pattern They must be labeled on the machine from 1 to the highest number available in order t...

Page 22: ...of the balance cycle Zero and Test allow the SB 1000 to determine and save essential information regarding the condition of the grinder and how changes in balance weights will effect machine balance Assuming the conditions on the machine do not change RPM wheel size etc then subsequent balance operations can be successfully performed without re running these two phases If machine conditions do cha...

Page 23: ...he weight units can also be selected from g oz lb kg and nothing It is essential to enter an accurate value for the test weight When done editing press to save changes and return to the Apply Weights screen above 2c Apply Weights Solution Phase The weight should be changed to the position and mass shown to bring the balance to a minimum Weight change display can be either additive or absolute Pres...

Page 24: ...n to the Apply Weights screen without making any changes If changes are made a new complete balance operation should be run by pressing Pressing will advance to the next step in the phase the Start Spindle screen The symbol flashes as a reminder Starting the spindle will also advance to the next screen 3 Start Spindle This screen requests the operator to start the spindle The icon and the RPM both...

Page 25: ...ons should be changed as shown to bring the balance to a minimum Both the three weight and 2 weights screens are shown following Extra iterations of this phase called Trim Phase may be required Pressing will advance to the next part of the phase the Start Spindle screen The symbol flashes as a reminder Starting the spindle will also advance to the next screen or It is possible at the Solution Phas...

Page 26: ... pressing the button go back to Apply Weights screen 4 Measure The control measures the new vibration level The operator should wait for the RPM and vibration to stabilize then press button to advance to the next screen The symbol flashes as a reminder If the balance level is below the Limit then the balance process is complete and the next screen displayed is the main screen Otherwise the control...

Page 27: ...this screen allowing the test weight value to be edited The weight units can also be selected from g oz lb kg and nothing It is essential to enter an accurate value for the test weight When done editing press to save changes and return to the Apply Weights screen above 2c Apply Weights Solution Phase The weight positions and masses should be changed as shown to bring the balance to a minimum Weigh...

Page 28: ...y Weights screen without making any changes If changes are made a new complete balance operation should be run by pressing Pressing will advance to the next part of the phase the Start Spindle screen The symbol flashes as a reminder Starting the spindle will also advance to next screen 3 Start Spindle This screen requests the operator to start the spindle The icon and the RPM both flash as a remin...

Page 29: ...0 mA at approximately 15VDC Any external power used for interface I O must be from a SELV Safety Extra Low Voltage source or supply The three inputs provide noise immunity and robustness The inputs are activated by being pulled high either by connection to the SB 1000 hardwire interface power supply output or by connection to a customer supplied signal Activating the inputs requires at least 8 mA ...

Page 30: ...ch can be used to stop an automatic balance operation Access to the SHOW ALL button and System Status screen are a llowed Output Pin Names and Functions Pin Name Description 22 10 9 BOT R BOT NO BOT NC Balance Out of Tolerance Return normally open and normally closed contacts This relay is energized when the sensed vibration level exceeds the operator defined Tolerance 15 14 16 BOT2 R BOT2 NO BOT2...

Page 31: ... UP GRINDER ON CNC System Timing Diagram WHEEL BALANCED SB 1000 BEHAVIOR ALLOW 2 SEC FOR RELAY TO OPEN BOT RELAY BIP RELAY SBC SIGNAL SBC ALTERNATE VIBRATION PLOT AT SPINDLE FREQUENCY BOT LEVEL BALANCE LIMIT BACKGROUND VIBRATION LEVEL 0 2 MICRONS minimum recommended BOT2 LEVEL BOT2 RELAY 1 1 ALLOW 5ms FOR RELAY TO OPEN INACTIVE SETTING RELAY OPENS WHEN BALANCE CYCLE STARTS NOT APPLICABLE CNC Syste...

Page 32: ...liver same day repair of items arriving by overnight delivery at our facility Because of the complication and delays involved with international shipments customers outside the continental U S should contact their local SBS source for service support Before returning any equipment for repair it is necessary for you to contact Accretech SBS Inc for a Return Materials Authorization RMA number Withou...

Page 33: ... 24 AWG 7 32 GREEN 24 AWG 7 32 INNER FOIL SHIELD BROWN 24 AWG 7 32 RED 24 AWG 7 32 ORANGE 24 AWG 7 32 YELLOW 24 AWG 7 32 Control End 12p Circular Male DIN Pin View Balancer End 7p Bayonet Female Pin View BROWN Supply BLUE GND BLACK Signal Control End 12p Circular Male DIN Pin View RPM Sensor End M12 Pin View BACKSHELL Balancer Cable SB 48xx SB 48xx V RPM Sensor SB 1816 Vibration Sensor SB 14xx ...

Page 34: ...ing the RPM the Vibration Sensor and Control Unit should be returned for repair Contact Accretech SBS Inc for a return materials authorization RMA number Step 3 BALANCER Automatic Balance mode only If the Vibration Sensor is working correctly the next step is to perform an integrity check of the rest of the system This test should be performed with the machine running but not during a grinding or ...

Page 35: ...s automatically Balancer motor and or cable has a short circuit E Checked at the end of Automatic mode balance weight motion Clears manually Balancer motor and or cable is open or unplugged F Checked at the end of Automatic mode balance weight motion Clears manually Balancer motor excess current G Checked at power up Checksum Error Recommend flash update H Checked continuously Low 15V supply to RP...

Page 36: ...ecked at power up Does not clear Controller has logic problem Recommend factory repair Factory defaults Holding the button down during power up resets all configurations back to factory defaults To confirm the default action the display will show the screen icon until the button is released This action is not allowed if the FPI input is active on the CNC hardwire interface Factory default settings...

Page 37: ...on Interfaces CNC PLC Hardwire Interface opto isolated outputs DC Supply Input 22 VDC to 26 VDC Automatic Balance mode 3 5A max at 22 VDC Manual Balance mode 0 5A max at 22 VDC Reverse voltage protected Power Connector Phoenix 1803578 or equiv RPM Sensor Environmental and Installation Pollution degree 2 Installation category II IP54 NEMA 12 Environmental temperature range 5 C to 55 C ...

Page 38: ... Sensor Ext Cable standard lengths Control Options SK 5000 Rack Panel SB 5500 Full Wide w 1 2 Blank 3U SK 5001 Rack Panel SB 5500 Partial Wide 3U w Handles SK 5002 Rack Panel SB 5500 1 2 Rack 3U Bracket SK 5005 Keypad Mount Flush Panel Frame Kit SB 24xx L Hardwire Interface cable standard lengths Other Parts SB 8510 V Complete Heavy Duty SBS Balancer Low Profile Collector replacement SB 8520 Colle...

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