US20230381921A1 - Machine control for dynabraid machine - Google Patents
Machine control for dynabraid machine Download PDFInfo
- Publication number
- US20230381921A1 US20230381921A1 US18/143,143 US202318143143A US2023381921A1 US 20230381921 A1 US20230381921 A1 US 20230381921A1 US 202318143143 A US202318143143 A US 202318143143A US 2023381921 A1 US2023381921 A1 US 2023381921A1
- Authority
- US
- United States
- Prior art keywords
- drive motor
- abrasive belt
- safety controller
- coupled
- guard door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/26—Accessories, e.g. stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
Definitions
- the present disclosure is directed to grinding machines and particularly to safety features for abrasive belt grinding machines.
- a grinding machine employs an abrasive belt that is coated with an abrasive material or that has an abrasive material thereon.
- the abrasive belt is generally caused to rotate via a motor. Once the abrasive belt is rotating at a desired rate, the abrasive belt contacts a workpiece to perform a grinding operation.
- Typical abrasive belt machines include a latch style on/off switch that allows for the machine to remain in operation even while being unattended by an operator. Moreover, subsequent a power outage, an abrasive belt machine can have the switch remain in the on position, and upon reenergizing, the machine can spontaneously operate, creating a hazard. Grinding machines create substantial quantities of fine airborne particulate during operation. However, grinding machines are optionally equipped with exhaust vacuum particulate removal devices. These exhaust vacuum devices are optionally operated during the grinding operation.
- an abrasive belt machine comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; a safety controller operatively coupled with the drive motor; an E-stop operatively coupled to the safety controller; a foot pedal switch operatively coupled to the drive motor; and a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is electronically coupled to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is configured to prevent operation of the drive motor responsive to predetermined conditions.
- an abrasive belt machine comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; a guard door coupled to the support housing proximate the abrasive belt, the guard door including a guard door sensor; an exhaust vacuum coupled to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor; a safety controller operatively coupled with the drive motor; an E-stop operatively coupled to the safety controller; a foot pedal switch operatively coupled to the drive motor; and a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is electronically coupled to the E-stop, the guard door sensor, the vacuum pressure/air flow sensor and the like.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is configured to detect electrical faults, short circuits, welded contacts and the like.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the abrasive belt machine further comprising a fault light on a panel, wherein the safety controller is configured to provide a signal to the fault light on the panel.
- a process for configuring an abrasive belt machine for safety comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; coupling a guard door to the support housing proximate the abrasive belt, the guard door including a guard door sensor; coupling an exhaust vacuum to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor; coupling a safety controller with the drive motor; coupling an E-stop to the safety controller; coupling a foot pedal switch to the drive motor; and supplying a 480 volt alternating current 3 phase electrical power supply to the drive motor.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the process further comprising electronically coupling the safety controller to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
- a further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the process further comprising configuring the safety controller to prevent operation of the drive motor responsive to predetermined conditions.
- FIG. 1 is a schematic representation of an exemplary abrasive belt grinding machine.
- FIG. 2 is an electrical schematic representation of the exemplary abrasive belt grinding machine and accessories.
- the abrasive belt grinding machine 10 includes a support housing 12 .
- the support housing 12 supports a pivoting arm 14 that supports an abrasive belt 16 .
- the abrasive belt 16 can be driven by a drive motor 18 coupled to various pulleys 20 and tensioners/tracking devices 22 that maintain proper tension and alignment of the abrasive belt 16 .
- An E-stop 28 is operatively coupled to a safety controller 30 .
- the E-stop 28 can be actuated by an operator (not shown) in order to shut down the abrasive belt grinding machine 10 .
- the E-stop 28 can be a dual channel device.
- the safety controller 30 is electronically coupled to the E-stop 28 , a guard door sensor 32 , a vacuum pressure/air flow sensor 34 and the like.
- the safety controller 30 prevents operation of the motor 18 responsive to predetermined conditions. For example, if the safety controller 30 receives a signal from the guard door sensor 32 that the guard door 36 is not positioned properly, then the safety controller 30 will not allow actuation of the drive motor 18 . In another example, if the safety controller 30 receives a signal from the vacuum/air flow sensor 34 that the exhaust vacuum 38 is not in operation, then the safety controller 30 will not allow actuation of the drive motor 18 .
- a foot pedal switch 40 is operatively coupled to the drive motor 18 .
- An operator provides foot pressure on the foot pedal switch 40 to provide for drive motor 18 operation.
- the safety controller 30 can detect electrical faults, such as short circuits, welded contacts and the like.
- the safety controller 30 can provide a signal to a fault light 42 on a panel 44 .
- a 480 volt AC 3 phase electrical power supply 46 is electrically coupled to the drive motor 18 .
- Redundant safety relays 50 , 52 can be electrically coupled with the safety controller 30 and power supply 46 .
- a technical advantage of the abrasive belt machine disclosed includes redundant safety features that prevent operator injury.
- Another technical advantage of the abrasive belt machine disclosed includes programmable motor controller for speed optimization.
- Another technical advantage of the abrasive belt machine disclosed includes multiple sensors that ensure safety devices are active before operation of the abrasive belt machine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
An abrasive belt machine including a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; a safety controller operatively coupled with the drive motor; an E-stop operatively coupled to the safety controller; a foot pedal switch operatively coupled to the drive motor; and a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
Description
- This application claims the benefit of provisional application Ser. No. 63/345,627 filed May 25, 2022.
- The present disclosure is directed to grinding machines and particularly to safety features for abrasive belt grinding machines.
- A grinding machine employs an abrasive belt that is coated with an abrasive material or that has an abrasive material thereon. To perform a grinding operation, the abrasive belt is generally caused to rotate via a motor. Once the abrasive belt is rotating at a desired rate, the abrasive belt contacts a workpiece to perform a grinding operation. Typical abrasive belt machines include a latch style on/off switch that allows for the machine to remain in operation even while being unattended by an operator. Moreover, subsequent a power outage, an abrasive belt machine can have the switch remain in the on position, and upon reenergizing, the machine can spontaneously operate, creating a hazard. Grinding machines create substantial quantities of fine airborne particulate during operation. However, grinding machines are optionally equipped with exhaust vacuum particulate removal devices. These exhaust vacuum devices are optionally operated during the grinding operation.
- In accordance with the present disclosure, there is provided an abrasive belt machine comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; a safety controller operatively coupled with the drive motor; an E-stop operatively coupled to the safety controller; a foot pedal switch operatively coupled to the drive motor; and a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is electronically coupled to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is configured to prevent operation of the drive motor responsive to predetermined conditions.
- In accordance with the present disclosure, there is provided an abrasive belt machine comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; a guard door coupled to the support housing proximate the abrasive belt, the guard door including a guard door sensor; an exhaust vacuum coupled to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor; a safety controller operatively coupled with the drive motor; an E-stop operatively coupled to the safety controller; a foot pedal switch operatively coupled to the drive motor; and a 480 volt
alternating current 3 phase electrical power supply electrically coupled to the drive motor. - A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is electronically coupled to the E-stop, the guard door sensor, the vacuum pressure/air flow sensor and the like.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the safety controller is configured to detect electrical faults, short circuits, welded contacts and the like.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the abrasive belt machine further comprising a fault light on a panel, wherein the safety controller is configured to provide a signal to the fault light on the panel.
- In accordance with the present disclosure, there is provided a process for configuring an abrasive belt machine for safety comprising a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor; coupling a guard door to the support housing proximate the abrasive belt, the guard door including a guard door sensor; coupling an exhaust vacuum to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor; coupling a safety controller with the drive motor; coupling an E-stop to the safety controller; coupling a foot pedal switch to the drive motor; and supplying a 480 volt alternating current 3 phase electrical power supply to the drive motor.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the process further comprising electronically coupling the safety controller to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
- A further embodiment of any of the foregoing embodiments may additionally and/or alternatively include the process further comprising configuring the safety controller to prevent operation of the drive motor responsive to predetermined conditions.
- Other details of the abrasive belt machine are set forth in the following detailed description and the accompanying drawings wherein like reference numerals depict like elements.
-
FIG. 1 is a schematic representation of an exemplary abrasive belt grinding machine. -
FIG. 2 is an electrical schematic representation of the exemplary abrasive belt grinding machine and accessories. - Referring now to
FIG. 1 andFIG. 2 , there is illustrated atFIG. 1 an exemplary abrasivebelt grinding machine 10. The abrasivebelt grinding machine 10 includes asupport housing 12. Thesupport housing 12 supports apivoting arm 14 that supports anabrasive belt 16. Theabrasive belt 16 can be driven by adrive motor 18 coupled tovarious pulleys 20 and tensioners/tracking devices 22 that maintain proper tension and alignment of theabrasive belt 16. - An
E-stop 28 is operatively coupled to asafety controller 30. TheE-stop 28 can be actuated by an operator (not shown) in order to shut down the abrasivebelt grinding machine 10. TheE-stop 28 can be a dual channel device. Thesafety controller 30 is electronically coupled to theE-stop 28, aguard door sensor 32, a vacuum pressure/air flow sensor 34 and the like. Thesafety controller 30 prevents operation of themotor 18 responsive to predetermined conditions. For example, if thesafety controller 30 receives a signal from theguard door sensor 32 that theguard door 36 is not positioned properly, then thesafety controller 30 will not allow actuation of thedrive motor 18. In another example, if thesafety controller 30 receives a signal from the vacuum/air flow sensor 34 that theexhaust vacuum 38 is not in operation, then thesafety controller 30 will not allow actuation of thedrive motor 18. - A
foot pedal switch 40 is operatively coupled to thedrive motor 18. An operator provides foot pressure on thefoot pedal switch 40 to provide fordrive motor 18 operation. - The
safety controller 30 can detect electrical faults, such as short circuits, welded contacts and the like. Thesafety controller 30 can provide a signal to afault light 42 on apanel 44. - A 480
volt AC 3 phaseelectrical power supply 46 is electrically coupled to thedrive motor 18. -
Redundant safety relays safety controller 30 andpower supply 46. - A technical advantage of the abrasive belt machine disclosed includes redundant safety features that prevent operator injury.
- Another technical advantage of the abrasive belt machine disclosed includes programmable motor controller for speed optimization.
- Another technical advantage of the abrasive belt machine disclosed includes multiple sensors that ensure safety devices are active before operation of the abrasive belt machine.
- There has been provided an abrasive belt machine. While the abrasive belt machine has been described in the context of specific embodiments thereof, other unforeseen alternatives, modifications, and variations may become apparent to those skilled in the art having read the foregoing description. Accordingly, it is intended to embrace those alternatives, modifications, and variations which fall within the broad scope of the appended claims.
Claims (10)
1. An abrasive belt machine comprising:
a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor;
a safety controller operatively coupled with the drive motor;
an E-stop operatively coupled to the safety controller;
a foot pedal switch operatively coupled to the drive motor; and
a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
2. The abrasive belt machine according to claim 1 , wherein the safety controller is electronically coupled to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
3. The abrasive belt machine according to claim 1 , wherein the safety controller is configured to prevent operation of the drive motor responsive to predetermined conditions.
4. An abrasive belt machine comprising:
a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor;
a guard door coupled to the support housing proximate the abrasive belt, the guard door including a guard door sensor;
an exhaust vacuum coupled to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor;
a safety controller operatively coupled with the drive motor;
an E-stop operatively coupled to the safety controller;
a foot pedal switch operatively coupled to the drive motor; and
a 480 volt alternating current 3 phase electrical power supply electrically coupled to the drive motor.
5. The abrasive belt machine according to claim 4 , wherein the safety controller is electronically coupled to the E-stop, the guard door sensor, the vacuum pressure/air flow sensor and the like.
6. The abrasive belt machine according to claim 4 , wherein the safety controller is configured to detect electrical faults, short circuits, welded contacts and the like.
7. The abrasive belt machine according to claim 4 , further comprising:
a fault light on a panel, wherein the safety controller is configured to provide a signal to the fault light on the panel.
8. A process for configuring an abrasive belt machine for safety comprising:
a support housing having a pivoting arm that supports an abrasive belt rotatably coupled to a drive motor;
coupling a guard door to the support housing proximate the abrasive belt, the guard door including a guard door sensor;
coupling an exhaust vacuum to the support housing proximate the abrasive belt, the exhaust vacuum including a vacuum/air flow sensor;
coupling a safety controller with the drive motor;
coupling an E-stop to the safety controller;
coupling a foot pedal switch to the drive motor; and
supplying a 480 volt alternating current 3 phase electrical power supply to the drive motor.
9. The process of claim 8 , further comprising:
electronically coupling the safety controller to the E-stop, a guard door sensor, a vacuum pressure/air flow sensor and the like.
10. The process of claim 8 , further comprising:
configuring the safety controller to prevent operation of the drive motor responsive to predetermined conditions.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/143,143 US20230381921A1 (en) | 2022-05-25 | 2023-05-04 | Machine control for dynabraid machine |
EP23174802.1A EP4282586A1 (en) | 2022-05-25 | 2023-05-23 | Machine control for dynabraid machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202263345627P | 2022-05-25 | 2022-05-25 | |
US18/143,143 US20230381921A1 (en) | 2022-05-25 | 2023-05-04 | Machine control for dynabraid machine |
Publications (1)
Publication Number | Publication Date |
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US20230381921A1 true US20230381921A1 (en) | 2023-11-30 |
Family
ID=86497610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/143,143 Pending US20230381921A1 (en) | 2022-05-25 | 2023-05-04 | Machine control for dynabraid machine |
Country Status (2)
Country | Link |
---|---|
US (1) | US20230381921A1 (en) |
EP (1) | EP4282586A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727683A (en) * | 1987-01-09 | 1988-03-01 | Dynabrade, Inc. | Abrasive belt machine |
CN107695837A (en) * | 2017-11-10 | 2018-02-16 | 江苏创源电子有限公司 | A kind of swash plate beveler |
US20220023995A1 (en) * | 2020-07-27 | 2022-01-27 | Ecolab Usa Inc. | Safety guards and equipment for use in the preparation of test specimens |
-
2023
- 2023-05-04 US US18/143,143 patent/US20230381921A1/en active Pending
- 2023-05-23 EP EP23174802.1A patent/EP4282586A1/en active Pending
Also Published As
Publication number | Publication date |
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EP4282586A1 (en) | 2023-11-29 |
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AS | Assignment |
Owner name: RAYTHEON TECHNOLOGIES CORPORATION, CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAYES, RAYMOND;CIARELLO, ANTHONY S.;REEL/FRAME:063531/0439 Effective date: 20230502 |
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STPP | Information on status: patent application and granting procedure in general |
Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
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AS | Assignment |
Owner name: RTX CORPORATION, CONNECTICUT Free format text: CHANGE OF NAME;ASSIGNOR:RAYTHEON TECHNOLOGIES CORPORATION;REEL/FRAME:064402/0837 Effective date: 20230714 |