Watch detection jig and detection device containing the jig

By designing watch detection fixtures, including rotation unit, torque detection unit and detection module, combined with visual detection components and fixture components, the problem of difficult to detect the strength and torque of the watch crown in the prior art is solved, and automatic repeated rotation and Accurate inspection and extend the service life of the watch.

CN110597045BActive Publication Date: 2024-12-20SUZHOU RS TECH
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Patent Information

Application Number
CN201910892181.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-09-20
Publication Date
2024-12-20
Estimated Expiration
2039-09-20

AI Technical Summary

Technical Problem

During the watch manufacturing process, it is difficult for the prior art to effectively detect the strength and torque of the crown, especially in the scene where repeated rotations are simulated under artificial use conditions, it is impossible to accurately understand the strength of the crown, which affects the service life of the watch.

Method used

A watch detection fixture is designed, including a rotation unit, a torque detection unit and a detection module. The transmission module is driven by a driving motor, and the rotation position and pressure of the torque detection unit are detected by an encoder and a pressure sensor, combining the visual detection component and Fixture assembly ensures accurate connection and inspection of the crown.

Benefits of technology

It realizes automatic and repeated rotation within the rated number of turns, simulates artificial use, simplifies the detection process, is simple in structure and convenient to use, can accurately detect the number of turns and torque of the crown, and extends the service life of the watch.

✦ Generated by Eureka AI based on patent content.

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Abstract

A watch detection fixture provided by the present invention comprises a detection mechanism, wherein the detection mechanism comprises a rotating unit and a torque detection unit, wherein the torque detection unit is driven to rotate by the rotating unit; the torque detection unit comprises a contact and a torsion sensor; the torque detection unit is connected to a crown on a dial through the contact; the rotating unit comprises a driving motor, a transmission module, and a detection module, wherein the driving motor drives the transmission module, and the transmission module drives the torque detection unit, and the detection module is used to detect the rotation position of the torque detection unit; a detection device containing the fixture comprises the above-mentioned detection mechanism, an adjustment component, and a clamp component for fixing a carrier, wherein the position of the clamp component is adjusted by the adjustment component so that the detection position of the dial on the carrier corresponds to the contact, and the device has a simple structure and is easy to use.
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Description

Technical Field

[0001] The invention belongs to the field of watch detection, and in particular relates to a watch detection fixture, and also in particular relates to a detection device containing the fixture. Background Art

[0002] The crown on the watch is connected to a connecting shaft, and the connecting shaft is connected to the internal mechanism of the watch. Turning the crown is an important means for the watch to achieve multiple functions. In most watches, the main function of turning the crown is to adjust the watch time. During the watch manufacturing process, the torque of the crown needs to be tested to test the strength of the crown and ensure the service life of the watch. At present, there is an urgent need for a watch testing fixture that requires the crown to automatically rotate repeatedly within the rated number of rotations to simulate human use, so as to understand the strength of the crown. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention proposes a watch detection fixture, which facilitates the detection of the number of rotations of the dial, allowing it to rotate repeatedly within the rated number of rotations, thereby simulating human use.

[0004] A watch detection fixture provided by the present invention comprises a detection mechanism, wherein the detection mechanism comprises a rotating unit and a torque detection unit, and the torque detection unit is driven to rotate by the rotating unit;

[0005] The torque detection unit includes a contact and a torsion sensor; the torque detection unit is connected to a crown on the dial through the contact;

[0006] The rotating unit includes a driving motor, a transmission module, and a detection module. The driving motor drives the transmission module, and the transmission module drives the torque detection unit. The detection module is used to detect the rotation position of the torque detection unit.

[0007] Preferably, the detection module includes a detection rod and an encoder; wherein,

[0008] The detection rod is installed on the rotation axis of the transmission module so that the detection rod rotates with the transmission module;

[0009] The encoder detects the torque detection unit by detecting the rotation of the detection rod.

[0010] Preferably, the transmission module includes a hollow turntable and a turntable, the driving motor drives the hollow turntable, the turntable is installed on the rotating end of the hollow turntable, the torque detection unit is installed on the turntable, and the detection rod is installed on the turntable.

[0011] Preferably, the torque detection unit further comprises a pressure detection module, the pressure detection module comprises a sliding plate, a pressure sensor, a buffer spring, and a fixed plate, the torsion sensor is mounted on the sliding plate; the fixed plate is mounted on the rotating end of the rotating unit;

[0012] The buffer spring is sleeved on the pressure sensor, and the pressure sensor and the buffer spring are installed between the fixed plate and the sliding plate to form a supporting structure;

[0013] The pressure sensor is used to detect the pressure generated during the connection between the torque detection unit and the crown.

[0014] Preferably, the sliding plate is installed with a guide column, and the fixed plate is installed with a guide sleeve, and the guide column and the guide sleeve are slidably connected to each other so that the sliding plate slides axially along the guide column.

[0015] Preferably, the detection mechanism further includes a bracket and a driving unit;

[0016] The bracket is used to connect the detection mechanism to form a whole;

[0017] The driving unit is used to drive the torque detection unit to approach the dial.

[0018] Preferably, the detection device containing a fixture includes the detection mechanism as described above, an adjustment component, and a clamp component for fixing the carrier, and the position of the clamp component is adjusted by the adjustment component so that the crown of the dial on the carrier corresponds to the contact.

[0019] Preferably, it also includes a visual detection component, the adjustment component includes a first adjustment component, the first adjustment component includes a horizontal adjustment unit and a vertical slide, the vertical slide is installed on the movable end of the horizontal adjustment unit, and the clamp assembly is installed on the vertical slide. The position of the dial is detected by the visual detection component, and the position of the clamp assembly is adjusted by the horizontal adjustment unit and the vertical slide.

[0020] Preferably, the adjustment assembly includes a second adjustment assembly, the second adjustment assembly includes a plurality of micrometers, the fixture assembly is mounted on the second adjustment assembly, and the position of the fixture assembly is adjusted by the micrometers.

[0021] Preferably, the clamp assembly comprises a pressure claw, a cylinder, and a positioning plate;

[0022] The positioning plate is used to hold the carrier, and a positioning column is arranged on the positioning plate to limit the position of the carrier.

[0023] The pressure claw is pushed and pulled by the air cylinder so that the pressure claw contacts the upper surface of the carrier, thereby fixing the carrier.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The present invention provides a watch detection fixture, which uses a transmission module to drive a detection unit to rotate. The rotation unit includes a detection module, and the detection module is used to detect the rotation position of the transmission module, so as to facilitate the detection of the number of rotations of the transmission module. The mechanism has a simple structure and is easy to use.

[0026] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the detection mechanism in one embodiment of the present invention;

[0029] Figure 2 An explosion diagram of a detection mechanism in one embodiment of the present invention;

[0030] Figure 3 for Figure 2 A partial enlargement of Figure 1 ;

[0031] Figure 4 for Figure 2 A partial enlargement of Figure 2 ;

[0032] Figure 5 It is a schematic diagram of the three-dimensional structure of a rotating unit in one embodiment of the present invention;

[0033] Figure 6 An exploded schematic diagram of a rotating unit in one embodiment of the present invention;

[0034] Figure 7 A partial structural diagram of a pressure detection module in one embodiment of the present invention;

[0035] Figure 8 is a schematic diagram of a three-dimensional structure in one embodiment of the present invention;

[0036] Fig. 9 An exploded schematic diagram of a first regulating unit in one embodiment of the present invention;

[0037] Fig.10 is a schematic diagram of a three-dimensional structure of another embodiment of the present invention;

[0038] Fig.11 is a schematic diagram of the three-dimensional structure of a second adjustment unit in another embodiment of the present invention;

[0039] Fig.12 FIG. 4 is a schematic diagram of the three-dimensional structure of a clamp assembly in one embodiment of the present invention.

[0040] As shown in the figure:

[0041] 100, detection mechanism; 110, rotating unit; 111, hollow turntable; 112, turntable; 113, detection rod; 114, driving motor; 115, encoder; 116, slip ring; 120, torque detection unit; 121, contact; 1211, inner wall surface; 122, torsion sensor; 123, sliding plate; 124, pressure sensor; 125, buffer spring; 126, fixing plate; 127, guide column; 128, guide sleeve; 130, bracket; 140, driving unit; 141 , driver; 142, guide; 200, visual inspection component; 310, first adjustment component; 311, horizontal adjustment unit; 3111, regulator; 3112, drive plate; 3113, photoelectric sensor; 312, vertical slide; 3121, lifting plate; 320, second adjustment component; 321, micrometer; 400, fixture assembly; 410, pressure claw; 420, cylinder; 430, positioning plate; 431, positioning column; 500, carrier; 510, dial; 511, crown. DETAILED DESCRIPTION

[0042] The present invention is further described in detail below in conjunction with the accompanying drawings, and the aforementioned and other purposes, features, aspects and advantages of the present invention will become more obvious, so that those skilled in the art can implement it with reference to the text of the specification. In the accompanying drawings, for the sake of clarity, the shapes and sizes can be enlarged, and the same reference numerals will be used in all figures to indicate the same or similar parts. In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or position relationship shown in the accompanying drawings. In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. These relative terms are for the convenience of explanation and are generally not intended to require specific orientation. Terms related to attachment, connection, etc. (for example, "connection" and "attachment") refer to the relationship between these structures directly or indirectly fixed or attached to each other through intermediate structures, and movable or rigid attachment or relationship, unless otherwise explicitly stated.

[0043] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0044] like Figure 1-6 As shown, a watch detection fixture includes a detection mechanism 100, the detection mechanism 100 includes a rotating unit 110 and a torque detection unit 120, the torque detection unit 120 is driven to rotate by the rotating unit 110; the torque detection unit 120 includes a contact 121 and a torsion sensor 122; the contact 121 includes an inner wall surface 1211, the dial 510 includes a rotatable crown 511, the inner wall surface 1211 contacts the crown 511 on the dial 510, and the crown 511 is clamped by the inner wall surface 1211, so that in the present invention, the torque detection unit 120 is connected to the crown 511 by using the contact 121, and the torsion sensor 122 is used to detect the magnitude of the torque when the crown 511 rotates. Avoid damage to the dial 510 due to excessive torque; the rotating unit 110 includes a driving motor 114, a transmission module, and a detection module. The driving motor 114 drives the transmission module, and the transmission module drives the torque detection unit 120. The detection module is used to detect the rotation position of the torque detection unit 120. The detection module detects the rotation position of the torque detection unit 120, so that the detection module counts the number of rotations of the torque detection unit 120. When the detection module detects that the torque detection unit 120 has rotated a certain number of times, the detection module controls the driving motor 114 to rotate in the opposite direction, so that the detection control module rotation unit 110 is used to make the contact 121 drive the crown 511 to rotate repeatedly to simulate the state of human use.

[0045] like Figure 5 , 6As shown, in a preferred embodiment, the detection module includes a detection rod 113 and an encoder 115, and the transmission module includes a hollow turntable 111 and a turntable 112; wherein the turntable 112 is installed on the rotating end of the hollow turntable 111, the torque detection unit 120 is installed on the turntable 112, the detection rod 113 is installed on the turntable 112, the detection rod 113 is installed on the rotation axis of the hollow turntable 111, and the driving motor 114 drives the hollow turntable 111 so that the detection rod 113 rotates with the hollow turntable 111; the encoder 115 detects the torque detection unit 120 by detecting the rotation of the detection rod 113; in this preferred embodiment, the detection rod 113 passes through the rotating center of the hollow turntable 111 The torque detection unit 120 and the encoder 115 are respectively arranged on the opposite sides of the hollow turntable 111. The hollow turntable 111 includes a detector for detecting the number of rotations of the hollow turntable 111. The encoder 115 is used to detect the rotation angle of the hollow turntable 111. The detector and the encoder 115 are convenient for accurately understanding the state of the hollow turntable 111, and convenient for detecting a dial that requires high rotation accuracy. The rotation requirement is not a full circle, and the rotation angle needs to be detected by the encoder 115; the detection module also includes a slip ring 116, which is sleeved on the outside of the detection rod 113, and the slip ring 116 is used to transmit electrical signals and electrical energy to the rotating parts in the detection mechanism 100.

[0046] like Figure 7 As shown, the torque detection unit 120 also includes a pressure detection module, which includes a sliding plate 123, a pressure sensor 124, a buffer spring 125, and a fixed plate 126. The torsion sensor 122 is installed on the sliding plate 123; the fixed plate 126 is installed on the rotating end of the rotating unit 110; the buffer spring 125 is sleeved on the pressure sensor 124, and the pressure sensor 124 and the buffer spring 125 are installed between the fixed plate 126 and the sliding plate 123 to form a supporting structure; the pressure sensor 124 is used to detect the pressure generated during the connection between the torque detection unit 120 and the crown 511 on the dial 510; since in this preferred embodiment, the contact 121 needs to clamp the crown 511, in this In one process, it is necessary to use a thrust to push the contact 121 toward the crown 511 so that the contact 121 is opened by the supporting force of the crown 511, thereby making the inner wall surface 1211 contact with the crown 511, thereby realizing the connection between the contact 121 and the crown 511. Since a pushing step is included, a pressure sensor 124 is provided to detect the process of the contact 121 being pushed to the crown 511. In order to prevent the pressure sensor 124 from being squeezed and damaged due to the misalignment of the positions of the contact 121 and the crown 511, a buffer spring 125 is mounted on the pressure sensor 124, so that when the sliding plate 123 and the fixed plate 126 are close, the pressure sensor 124 is protected by being compressed by the buffer spring 125.

[0047] The sliding plate 123 is installed with a guide post 127 , and the fixed plate 126 is installed with a guide sleeve 128 . The guide post 127 and the guide sleeve 128 are slidably connected to each other, so that the sliding plate 123 slides axially along the guide post 127 .

[0048] like Figure 1 , 2 As shown, the detection mechanism 100 also includes a bracket 130 and a driving unit 140; the bracket 130 is used to connect the detection mechanism 100 to form a whole; the driving unit 140 is used to drive the torque detection unit 120 to approach the dial 510; the rotation unit 110 and the torque detection unit 120 are installed on the bracket 130, and the bracket 130 is installed with the driving unit 140 on the movable end, and the driving unit 140 drives the bracket 130 to move toward the direction of the dial 510, so that the contact 121 on the torque detection unit 120 is close to the crown 511, so that the contact 121 clamps the crown 511 through the driving unit 140.

[0049] The driving unit 140 includes a driver 141, which drives the bracket 130 to move. A guide member 142 is also installed on the driving unit 140. The sliding part of the guide member 142 is connected to the bracket 130, and the guide member 142 guides the movement of the bracket 130. The driver 141 and the guide member 142 are installed under the bracket 130, and the moving direction of the driver 141 and the guiding direction of the guide member 142 are parallel to each other.

[0050] like Figure 8-12 As shown, the detection device containing the fixture includes a detection mechanism 100, an adjustment component, and a clamp component 400 for fixing the carrier 500. The position of the clamp component 400 is adjusted by the adjustment component so that the crown 511 on the carrier 500 corresponds to the contact 121.

[0051] like Fig.12 As shown, the clamp assembly 400 includes a pressure claw 410, a cylinder 420, and a positioning plate 430; the positioning plate 430 is used to hold the carrier 500, and a positioning column 431 is provided on the positioning plate 430, and the position of the carrier 500 is limited by the positioning column 431; the pressure claw 410 is pushed and pulled by the cylinder 420, so that the pressure claw 410 contacts the upper surface of the carrier 500, thereby fixing the carrier 500; in a preferred embodiment, the number of the positioning columns 431 is two, and the positioning plates 430 are respectively arranged at diagonal positions, and at the same time, the shapes of the two positioning columns 431 are inconsistent, so as to facilitate the anti-foolproof effect.

[0052] like Figure 8 , 9As shown, in a preferred embodiment, the detection device also includes a visual detection component 200, which is mounted on the outer wall of the bracket 130, and the detection direction of the visual detection component 200 is toward the dial 510. The adjustment component includes a first adjustment component 310, and the first adjustment component 310 includes a horizontal adjustment unit 311 and a vertical slide 312. The vertical slide 312 is mounted on the movable end of the horizontal adjustment unit 311. The fixture component 400 is mounted on the vertical slide 312, wherein the horizontal adjustment unit 311 includes a regulator 3111 and a drive plate 3112. The vertical slide 312 is mounted on the drive plate 3112. The drive plate 3112 is mounted on the movable end of the regulator 3111, and the vertical slide 312 is driven to move along the X-axis direction by the regulator 3111. The fixture component 400 is mounted on the lifting plate of the vertical slide 312. On 3121, the vertical slide 312 contains a motor, which drives the lifting plate 3121 to move in the Z-axis direction, so that the fixture assembly 400 installed on the lifting plate 3121 moves along the Z-axis direction. The horizontal adjustment unit 311 and the vertical slide 312 are used to facilitate the adjustment of the position of the fixture assembly 400 in the X and Z-axis directions. In the process of the horizontal adjustment unit 311 driving the fixture assembly 400 to move, it first passes through the visual inspection component 200, so that the visual inspection component 200 detects the position of the dial 510. After the visual inspection component 200 detects the position data of the dial 510, after calculation, the visual inspection component 200 controls the horizontal adjustment unit 311 and the vertical slide 312 to adjust the position of the fixture assembly 400, and finally makes the contact 121 clamp the detection part 511.

[0053] The level adjustment unit 311 further includes a photoelectric sensor 3113 , which detects the position of the clamp assembly 400 , so that the clamp assembly 400 can be accurately moved to the detection position.

[0054] like Fig.10 , 11 As shown, in another preferred embodiment, the adjustment component includes a second adjustment component 320, and the second adjustment component 320 includes at least a plurality of micrometers 321, wherein the number of micrometers 321 is three, and the micrometers 321 are respectively installed so that the micrometers 321 are oriented in the X, Y, and Z axes. The fixture assembly 400 is installed on the second adjustment component 320, and the position of the fixture assembly 400 in the three-axis direction is changed by manually adjusting the three micrometers 321, so that the contact 121 corresponds to the detection part 511.

[0055] The invention provides a watch inspection fixture and an inspection device containing the fixture. A driving motor drives an inspection unit to rotate through a transmission module. A rotating unit includes an inspection module. The inspection module is used to detect the rotation position of the transmission module, so as to detect the number of rotations of the transmission module. A pressure sensor is used to detect the pressure during the connection process between a contact and a crown, so as to ensure that the contact and the crown are normally connected. Meanwhile, a buffer spring is used to protect the pressure sensor to avoid damage to the pressure sensor during the approach process of a sliding plate and a fixing plate. A horizontal adjustment unit and a vertical slide are used to control the position of a clamp assembly through a visual inspection component. A photoelectric sensor is used to detect the position of the clamp assembly, so as to facilitate the accurate movement of the clamp assembly to the inspection position. A micrometer is used to manually adjust the position of the clamp assembly, so that the entire structure is convenient and reliable. The shapes of positioning columns are inconsistent, so as to facilitate the anti-fool effect. The device has a simple structure and is easy to use.

[0056] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A detection device including a fixture, characterized in that: The invention comprises a detection mechanism (100), an adjustment component, a clamp component (400) for fixing a carrier (500), and a visual detection component (200); the detection mechanism (100) comprises a rotation unit (110) and a torque detection unit (120); the torque detection unit (120) is driven to rotate by the rotation unit (110); the torque detection unit (120) comprises a contact (121) and a torsion sensor (122); the torque detection unit (120) is connected to a dial (500) by the contact (121); The rotating unit (110) is connected to a crown (511) on the carrier (500); the rotating unit (110) comprises a driving motor (114), a transmission module, and a detection module, the driving motor (114) drives the transmission module, and the transmission module drives the torque detection unit (120), and the detection module is used to detect the rotation position of the torque detection unit (120); the position of the clamping assembly (400) is adjusted by the adjusting assembly so that the crown (511) of the dial (510) on the carrier (500) corresponds to the contact (121); The adjustment component comprises a first adjustment component (310) and a second adjustment component (320), wherein the first adjustment component (310) comprises a horizontal adjustment unit (311) and a vertical slide (312), wherein the vertical slide (312) is mounted on a movable end of the horizontal adjustment unit (311), and the fixture component (400) is mounted on the vertical slide (312), and the position of the dial (510) is detected by a visual detection component (200), and the position of the fixture component (400) is adjusted by the horizontal adjustment unit (311) and the vertical slide (312); the second adjustment component (320) comprises a plurality of micrometers (321), and the fixture component (400) is mounted on the second adjustment component (320), and the position of the fixture component (400) is adjusted by the micrometers (321); The torque detection unit (120) further comprises a pressure detection module, the pressure detection module comprises a sliding plate (123), a pressure sensor (124), a buffer spring (125), and a fixed plate (126), the torsion sensor (122) is mounted on the sliding plate (123); the fixed plate (126) is mounted on the rotating end of the rotating unit (110); the buffer spring (125) is sleeved on the pressure sensor (124), and the pressure sensor (124) and the buffer spring (125) are mounted between the fixed plate (126) and the sliding plate (123) to form a supporting structure; the pressure sensor (124) is used to detect the pressure generated during the connection process between the torque detection unit (120) and the crown (511); The sliding plate (123) is installed with a guide column (127), and the fixed plate (126) is installed with a guide sleeve (128). The guide column (127) and the guide sleeve (128) are slidably connected to each other, so that the sliding plate (123) slides axially along the guide column (127).

2. The detection device comprising a jig as claimed in claim 1, characterized in that: The clamp assembly (400) comprises a pressure claw (410), a cylinder (420), and a positioning plate (430); the positioning plate (430) is used to hold a carrier (500), and a positioning column (431) is provided on the positioning plate (430), and the position of the carrier (500) is limited by the positioning column (431); the pressure claw (410) is pushed and pulled by the cylinder (420), so that the pressure claw (410) contacts the upper surface of the carrier (500), thereby fixing the carrier (500).

3. The detection device comprising a jig as claimed in claim 2, characterized in that: The detection module comprises a detection rod (113) and an encoder (115); wherein the detection rod (113) is mounted on the rotation axis of the transmission module so that the detection rod (113) rotates along with the transmission module; and the encoder (115) detects the torque detection unit (120) by detecting the rotation of the detection rod (113).

4. The detection device comprising a jig as claimed in claim 3, characterized in that: The transmission module comprises a hollow turntable (111) and a turntable (112); the driving motor (114) drives the hollow turntable (111); the turntable (112) is mounted on the rotating end of the hollow turntable (111); the torque detection unit (120) is mounted on the turntable (112); and the detection rod (113) is mounted on the turntable (112).

5. The detection device comprising a jig as claimed in claim 2, characterized in that: The detection mechanism (100) further comprises a bracket (130) and a driving unit (140); the bracket (130) is used to connect the detection mechanism (100) to form a whole; the driving unit (140) is used to drive the torque detection unit (120) to approach the dial (510).

Citation Information

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