KR20200102685A - Apparatus for attaching and detaching magazine tool - Google Patents

Abstract

An apparatus for attaching and detaching a magazine tool according to the present invention includes a seating unit so that a tool having directionality in a magazine is inserted in the direction perpendicular to an axis of the tool at an accurate position. Accordingly, a non-processing time is minimized, convenience of an operator is promoted, and processing precision is improved. Therefore, the present invention can achieve reliability and stability of the machine tool.

Description

Magazine tool detaching device {Apparatus for attaching and detaching magazine tool}

The present invention relates to a magazine tool attaching and detaching device, and more particularly, to a magazine tool attaching and detaching device for conveniently mounting the tool at an accurate position by providing a seating portion so that a tool having a directionality in the magazine is inserted in a direction perpendicular to the axis of the tool. will be.

In general, a machine tool refers to a machine used for the purpose of processing a metal/non-metal workpiece into a desired shape and dimension using a suitable tool by various cutting or non-cutting processing methods.

Various types of machine tools, including turning centers, vertical/horizontal machining centers, gate type machining centers, Swiss turns, electric discharge machines, horizontal NC boring machines, CNC lathes, and multi-task machines, are widely used in various industrial sites to suit the purpose of the work. Is being used.

Among machine tools, the multi-tasking machine refers to a turning center equipped with a multifunctional automatic tool changer (ATC) and a tool magazine that performs various machining types such as turning, drilling, tapping, and milling. In a multi-tasking machine, when an operator loads or replaces a tool required for processing, the tool is manually installed in the tool magazine.

In general, various types of machine tools currently used are equipped with operation panels to which numerical control (NC) or computerized numerical control (CNC) technology is applied. This operation panel is equipped with various function switches or buttons and a monitor.

In addition, the machine tool is a table on which the workpiece is placed and transported for processing the workpiece, a pallet to prepare the workpiece before processing, a spindle that rotates by combining a tool or workpiece, a tailstock to support the workpiece, etc. Etc.

In general, in a machine tool, a table, a tool rest, a main shaft, a tailstock, a vibration isolator, etc. have a conveying unit that conveys along a conveying axis to perform various processing.

In addition, in general, machine tools use a number of tools for various processing, and a tool magazine or a turret is used in the form of a tool storage area storing and storing a number of tools.

Such a machine tool uses a number of tools for various processing, and a tool magazine is used in the form of a tool storage area storing a number of tools.

In addition, in general, machine tools are equipped with an automatic tool changer (ATC) for withdrawing or receiving a specific tool from a tool magazine according to a command from a numerical control unit in order to improve the productivity of the machine tool.

In addition, in general, machine tools are equipped with an automatic pallet changer (APC) to minimize non-processing time. The automatic pallet changer (APC) automatically exchanges pallets between the workpiece processing area and the workpiece installation area. Workpieces can be mounted on pallets.

In general, a tool magazine of a machine tool has a gripper installed on one side of the chain to hold the tool, and the chain is installed on a driving sprocket and an idle sprocket, and the chain is moved as the driving sprocket is driven.

In order to mount a tool on the gripper of such a tool magazine, in general, it is necessary to overcome the tension of the gripper of the magazine by applying a separate force to the gripper of the magazine while holding the tool by hand and install the tool. do.

However, conventionally, it is very difficult to overcome the tension of the gripper of the magazine and attach and detach a number of tools to the correct position by hand. Especially, when the length of the tool is short and the circumference of the tool is thin, the tension of the gripper of the magazine There is also a very difficult problem to overcome and mount by hand.

In addition, conventionally, when a directional tool is to be mounted in a magazine of a machine tool, it is difficult to accurately adjust the direction of the tool and mount it to a gripper of the magazine by hand. Even if the direction of the tool is adjusted to the correct position, the tool rotates in the direction in which the force is applied during the installation process, and eventually the tool is not mounted in the correct position on the gripper of the magazine.

Moreover, in the related art, while the operator adjusts the direction of the relatively heavy tool, a heavy tool, which is a heavy object, falls or detaches while the tool is attached to or detached from the gripper, thereby causing a safety accident for the operator, hindering the operator's safety, and reducing the operator's inconvenience. There was a problem that caused.

Korean Patent Publication No. 10-2016-0128102

The present invention is to solve the above problems, and an object of the present invention is to form a support so that a tool having a directionality is inserted into the magazine in a direction perpendicular to the axis of the tool, and the tool is accurately mounted in a predetermined direction, so that it is convenient to be in an accurate position It is to provide a magazine tool attachment and detachment device for detaching and detaching the tool.

In order to achieve the object of the present invention, the magazine tool attachment/detachment device according to the present invention includes a base portion; And a seating portion formed on the base portion and having a seating groove portion.

In addition, in another preferred embodiment of the magazine tool attachment and detachment apparatus according to the present invention, a support portion formed on one surface of the base portion; may include.

In addition, in another preferred embodiment of the magazine tool attachment and detachment apparatus according to the present invention, the support portion may include an adjustment portion extending in a vertical direction to one surface of the base portion.

In addition, in another preferred embodiment of the magazine tool attachment/detachment device according to the present invention, the support portion includes a fixing portion extending in a horizontal direction on one surface of the base portion so as to be perpendicular to the adjustment portion on one side of the vertical direction of the adjustment portion. I can.

In addition, in another preferred embodiment of the magazine tool attachment and detachment apparatus according to the present invention, a plurality of guide portions formed on one surface of the base portion so as to be parallel while facing in a horizontal direction of the base portion; may include.

In addition, in another preferred embodiment of the magazine tool attachment and detachment apparatus according to the present invention, the plurality of guide portions, respectively, a body portion extending in a vertical direction to one surface of the base portion and protruding in the width direction; may include.

In addition, in another preferred embodiment of the magazine tool attachment/detachment apparatus according to the present invention, each of the plurality of guide portions may include an auxiliary portion formed to be rounded on one side of the body portion in the vertical direction.

In addition, in another preferred embodiment of the magazine tool attachment and detachment device according to the present invention, a handle portion formed on the other surface of the base portion; may include.

In addition, in another preferred embodiment of the magazine tool attachment and detachment device according to the present invention, the tool is seated in the seating groove so as to be perpendicular to the axial direction of the tool, and the tool seated in the seating groove is the axis of the tool in the gripper of the magazine. It can be drawn in a right angle direction.

The magazine tool attachment/detachment device according to the present invention allows the tool to be seated in the seating groove portion so as to be perpendicular to the axial direction of the tool, and the tool seated in the seating groove portion to be inserted into the gripper of the magazine in the direction perpendicular to the axis of the tool. , Even when it is difficult to build a tool due to the short tool length and the thin circumference of the tool, it overcomes the tension of the gripper of the magazine and uniformly attaches and detaches a number of tools to the correct position, improving the convenience of the operator and removing the tool. It has the effect of minimizing non-processing time by reducing the time.

In addition, the magazine tool attachment and detachment device according to the present invention improves product quality by increasing the processing precision by preventing the processing from proceeding while the tool is installed in the wrong position by accurately mounting the directional tool in the magazine of the machine tool. It can have an effect.

In addition, the magazine tool attachment and detachment device according to the present invention prevents damage to the workpiece or the tool during machining due to the wrong tool position by fixing the tool in the correct position so that it is accurately seated on the gripper of the magazine, and reduces the maintenance cost of the machine tool. , It has the effect of maximizing the reliability and stability of the machine tool.

Furthermore, the magazine tool attachment/detachment device according to the present invention can increase the safety and convenience of the operator by preventing the heavy tool from falling off or detaching while the operator is attaching and detaching the tool to the gripper while adjusting the direction of the relatively heavy tool. There is an effect.

1 is a perspective view of a magazine of a machine tool in a state in which a tool is installed in a gripper of a magazine with a magazine tool attachment/detachment device according to an embodiment of the present invention.
2 is a perspective view of a magazine tool attachment and detachment device according to an embodiment of the present invention.
3 is a conceptual diagram of a tool mounted on the magazine tool attachment/detachment device according to an embodiment of the present invention.
4 is a side view of a magazine tool attachment/detachment device for attaching and detaching the tool to the gripper of the magazine.
5 is a magazine tool attaching and detaching device according to an embodiment of the present invention and shows a state of a magazine of a machine tool in a state in which a tool is installed in a gripper of the magazine.

Hereinafter, with reference to the drawings of the magazine tool attachment and detachment apparatus according to an embodiment of the present invention will be described in detail. The following embodiments are provided as examples in order to sufficiently convey the spirit of the present invention to those skilled in the art. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. In addition, in the drawings, the size and thickness of the device may be exaggerated for convenience. Throughout the specification, the same reference numbers indicate the same elements.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, only the present embodiments make the disclosure of the present invention complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same elements throughout the specification. In the drawings, the sizes and relative sizes of layers and regions may be exaggerated for clarity of description.

The terms used in this specification are for describing exemplary embodiments, and therefore, are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used in the specification, "comprise" and/or "comprising" refers to the presence of one or more other components, steps, actions and/or elements, and/or elements, steps, actions and/or elements mentioned. Or does not exclude additions.

1 is a magazine tool attachment and detachment device according to an embodiment of the present invention, showing a perspective view of a magazine of a machine tool in a state in which a tool is installed in a gripper of the magazine, and FIG. 2 is a magazine tool attachment and detachment device according to an embodiment of the present invention Shows a perspective view of.

3 is a conceptual diagram of a tool mounted on the magazine tool attachment/detachment device according to an embodiment of the present invention, and FIG. 4 is a side view of the magazine tool attachment/detachment apparatus for attaching and detaching the tool to the gripper of the magazine.

5 is a magazine tool attaching and detaching device according to an embodiment of the present invention and shows a state of a magazine of a machine tool in a state in which a tool is installed in a gripper of the magazine.

The definitions of terms used below are as follows. "Horizontal direction" means the transverse direction in the same member, that is, the X-axis direction in FIG. 2, and the "vertical direction" means the height direction in the same member, that is, the Z-axis direction in FIG. 2 while being orthogonal to the horizontal direction, The "width direction" means a vertical direction in the same member while being orthogonal to the horizontal direction and the vertical direction. Upward (upper) means an upward direction in the "vertical direction", that is, a direction toward the top of the Z-axis in FIG. 1, and downward (lower part) refers to a direction downward in the "vertical direction", that is, a direction toward the lower of the Z-axis in FIG. Means.

In addition, one surface of the base portion means a portion on which a tool is installed, and the other surface of the base portion means a direction opposite to the one surface, that is, a portion in which the tool is not installed.

A magazine tool attachment/detachment device 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5. As shown in FIGS. 1 to 2 and 4 to 5, the magazine tool attachment/detachment device 1 according to an embodiment of the present invention includes a base portion 10 and a seating portion 20.

The magazine tool attaching and detaching device 1 according to the present invention is applied to the magazine 60 provided with a gripper 61 for clamping the tool 70. A key 62 is formed in the gripper 61 of the magazine 60 to determine the orientation of the tool 70.

The base portion 10 has a certain width and length, and serves to form the outer shape of the magazine tool attachment/detachment device 1.

The seating portion 20 is formed on the base portion 10 and includes a seating groove 21 in which the tool 70 is seated.

Specifically, the pull stud 71 of the tool 70 is accommodated in the mounting groove 21, through which the pull stud 71, which is a part of the tool 70, is mounted and fixed to the magazine tool attachment/detachment device 1 .

In addition, the magazine tool attachment and detachment device 1 according to an embodiment of the present invention is mounted so that the tool 70 is orthogonal to the axial direction (C) of the tool in the seating groove 21, and seated in the seating groove 21 The tool 70 may be inserted into the gripper 61 of the magazine 60 in a direction perpendicular to the axial direction C of the tool 70.

2 and 4, although not necessarily limited thereto. When the seating portion 20 is formed to be orthogonal to the base portion 10 and inserting the pull stud 71 of the tool into the seating groove 21, the tool 70 is placed in the seating groove 21 in the axial direction of the tool (C It is seated to be orthogonal to ).

In addition, referring to Figure 4, the tool 70 seated in the seating groove 21 so as to be orthogonal to the axial direction C of the tool in the seating groove 21 is a tool 70 in the gripper 61 of the magazine 60. ) Is drawn in a direction perpendicular to the axial direction (C).

Accordingly, in the magazine tool attachment and detachment device according to the present invention, the tool is seated in the seating groove so as to be orthogonal to the axial direction of the tool, and the tool seated in the seating groove is inserted into the gripper of the magazine in the direction perpendicular to the axis of the tool. Of course, in particular, even when the tool is difficult to mount due to the short length of the tool and the thin circumference of the tool, it overcomes the tension of the gripper of the magazine and uniformly attaches and detaches a number of tools to the correct position, improving the convenience of the operator. It is possible to minimize the non-processing time by reducing the detachment operation time.

The magazine tool attachment/detachment device 1 according to an embodiment of the present invention further includes a support part 30.

The support portion 30 is formed on one surface of the base portion to support the tool 70 while maintaining the orientation of the tool 70.

Further, referring to FIG. 2, the support part 30 includes an adjustment part 31 and a fixing part 32.

The adjustment part 31 is accommodated in the keyway 74 of the tool 60 and is formed extending in a vertical direction to one surface of the base part 10.

Specifically, a keyway 74 is formed in the flange portion 73 of the tool 70 to determine the orientation of the tool 70. And the adjusting part 31 is formed in a shape corresponding to the key groove 74 of the tool 60, and is formed smaller than the key groove 74 of the tool 60 so as to be accommodated in the key groove 74 of the tool 60.

That is, when the pull stud 71 of the tool is inserted into the seating groove 21, adjust the position of the tool 70 so that the adjustment unit 31 is accommodated in the keyway 74 of the tool 60, and then install the tool ( 60) can be accurately maintained.

Accordingly, the magazine tool attachment/detachment device according to the present invention improves product quality by increasing the processing precision by preventing the processing from proceeding with the tool mounted in the wrong position by accurately mounting the directional tool in the magazine of the machine tool. I can make it. In addition, since the operator does not need to exert unnecessary effort to adjust the correct direction, it is possible to increase product production by minimizing the operator's convenience and non-processing time.

The fixing part 32 is formed extending in the horizontal direction on one surface of the base part 10 so as to be perpendicular to the adjusting part 31 on one side of the adjusting part 31 in the vertical direction.

The fixing part 32 presses the flange part 73 of the tool 70 to prevent the tool 70 from deviating from a predetermined position in the state where the adjusting part 31 is accommodated in the keyway 74 of the tool 70 It serves to fix.

Specifically, the magazine tool attachment/detachment device 1 according to the present invention inserts the pull stud 71 of the tool into the seating groove 21 so that the tool 70 is in the seating groove 21 in the axial direction (C) of the tool. The tool 70 (particularly, the pull stud 71 part of the tool 70) is primarily fixed to the magazine tool attaching/detaching device 1 according to the present invention by being seated so as to be perpendicular to each other.

And when the pull stud 71 of the tool 70 is inserted into the seating groove 21, the position of the tool 70 is adjusted so that the adjustment part 31 is accommodated in the keyway 74 of the tool 60, and then mounted. Thus, the tool 70 (particularly, the keyway 74 of the tool 70) is secondaryly fixed to the magazine tool attaching/detaching device 1 according to the present invention.

Moreover, the fixing part 32 is formed extending in the horizontal direction on one side of the base part 10 so that the fixing part 32 is perpendicular to the adjusting part 31 on one side of the adjusting part 31 in the vertical direction, so that the adjusting part ( When 31) is accommodated, the tool 70 (particularly the flange portion 73 of the tool 70) is in the present invention by pressing the fixing portion 32 to fix the flange portion 73 of the tool 70. It is fixed to the magazine tool attachment/detachment device 1 by 3rd.

Accordingly, the magazine tool attachment/detachment device according to the present invention can firmly fix the tool in an accurate position, so that a heavy tool, which is a heavy object, falls or detaches while attaching and detaching the tool to the gripper while the operator adjusts the orientation of the relatively heavy tool. It is possible to increase the safety and convenience of the worker by preventing it.

In addition, since the magazine tool attachment and detachment device according to the present invention is firmly fixed to the correct position, the tool may be generated in the process of moving the tool-mounted magazine tool attachment or detachment device or mounting the tool to the magazine using the magazine tool attachment and detachment device. It can prevent the position of the tool from being distorted by external force such as vibration or rotation.

Through this, since the tool can be accurately seated in the gripper of the magazine, it is possible to prevent damage to the work piece or tool during machining due to an incorrect tool position, reduce the maintenance cost of the machine tool, and maximize the reliability and stability of the machine tool. can do.

The magazine tool attachment/detachment device 1 according to an embodiment of the present invention further includes a handle part 50.

The handle portion 50 is formed on the other surface of the base portion 10, which is a portion where the tool 70 is not mounted. The handle part 50 attaches and/or removes the tool 70 to the magazine tool attachment/detachment device 1, or the gripper of the magazine 60 using the tool attachment/detachment apparatus 1 in which the tool 70 is mounted ( 61) is used to grip or guard the magazine tool attachment/detachment device 1 in the case of attachment and/or detachment.

That is, the handle part 50 becomes a gripping target when the worker grips the tool attachment/detachment device 1, or when the worker grips the base part 10 other than the handle part 50, the handle part 50 It serves to guard (guard) to prevent separation of the magazine tool attachment and detachment device 1 from the operator's hand.

In addition, although not necessarily limited thereto, preferably, the handle part 50 is the handle part 50 when the tool 70 is mounted on the gripper 61 of the magazine using the magazine tool attachment/detachment device 1 The tool 70 is mounted on the gripper 61 of the magazine by pressing the other surface of the base 10 while the hand is inserted into the gripper 61. In this process, the handle 50 is the operator's hand. It serves to prevent the detachment from the detachable device (1).

And, although not necessarily limited thereto, preferably, in the case of detaching the magazine tool attachment/detachment device according to the present invention after the tool 70 is mounted on the gripper 61 of the magazine using the magazine tool attachment/detachment device 1, the operator The handle unit 50 is pulled out and the magazine tool attachment/detachment device can be easily recovered.

Through this, the magazine tool attachment/detachment device equipped with a heavy tool, which is a heavy object, is prevented from falling or detaching from the operator during the process of installing the tool, thereby promoting the safety of the operator and easily recovering the magazine tool attachment/detachment device. Can increase.

The magazine tool attachment/detachment device 1 according to an embodiment of the present invention further includes a guide portion 40.

The guide portion 40 may be formed in plural, and is formed on one surface of the base portion 10 so as to be parallel while facing each other in the horizontal direction of the base portion 10.

In addition, the plurality of guide portions 40 each include a body portion 41 and an auxiliary portion 42.

The body portion 41 is formed to extend in a vertical direction and protrude in the width direction on one surface of the base portion 10. That is, the main body 41 is formed to face in a horizontal direction on one surface of the base part 10 on which the tool 70 is installed, so that the tool 70 is installed between the plurality of main body parts 41. In addition, since each body portion 70 is formed to protrude in the width direction, the tool 70 is prevented from being separated between the body portions 70 protruding in the width direction, so that the tool 70 is It is fixed to the magazine tool attachment/detachment device 1 4th.

The auxiliary part 42 is formed to be rounded on one side of the body part 41 in the vertical direction. Since the auxiliary portion 42 is formed to be rounded on one side in the vertical direction of the body portion 70 protruding in the width direction, a portion of the auxiliary portion 42 may also be formed to protrude in the width direction according to the degree of rounding.

In general, a machine tool uses a number of tools for various processing, and a tool magazine 60 is used in the form of a tool storage place storing a number of tools.

The number of tools 70 mounted in the magazine 60 may vary as needed. All or a significant number of the tools 70 may be mounted on the gripper 61 of the magazine 60 in order to rapidly perform various processing.

Therefore, when a large number of tools need to be mounted on the gripper 61 of the magazine 60, the tool 70 is still mounted on the gripper 61 adjacent to the gripper 61 to which the tool is to be mounted at the initial stage of tool mounting. When installing the tool 70, a space that the operator can utilize is secured, so when the tool 70 is mounted on the gripper 61 of the magazine using the magazine tool attachment/detachment device 1 as described above, the operator can handle The tool 70 can be mounted on the gripper 61 of the magazine by pressing the other surface of the base 10 while the hand is inserted into the part 50. In this process, the handle part 50 It serves to prevent the operator's hand from being separated from the magazine tool attachment and detachment device (1).

However, when a number of tools need to be mounted on the gripper 61 of the magazine 60, when the tool installation is almost completed, the tool 70 is already in the grippers 61 on both sides adjacent to the gripper 61 to be mounted Since it is mounted, the space that the operator can utilize when mounting the tool 70 is relatively narrow.

Therefore, as described above, the operator presses the other surface of the base unit 10 in a state in which the hand is inserted into the handle unit 50 so that the tool 70 can be mounted on the gripper 61 of the magazine. There is a problem that is not secured,

In order to overcome the limited space limitation when the tool is mounted as described above, the present invention includes a body part 41 and/or an auxiliary part 42.

That is, the operator first temporarily mounts the tool 70 on the gripper of the magazine, and then presses the tool attachment/detachment device 1 while simultaneously gripping the other surface of the auxiliary part 42 and the base part 10 to the tool 70 Can be accurately mounted on the gripper 61 of the magazine 60.

Specifically, the operator places the thumb on the auxiliary portion 42 and grips the other surface of the base portion 10 with the other finger to perform the above-described operation. In this case, since the auxiliary part 42 is formed to be round, the operator can conveniently grip it, thereby overcoming space restrictions and mounting the tool 70 to the gripper of the magazine at an accurate position.

As another method, the operator first temporarily mounts the tool 70 to the gripper 61 of the magazine 60, and then grips the body part 41 to hold the tool attachment/detachment device 1 in a direction adjacent to the gripper of the magazine. It is possible to overcome space constraints by pulling and mount the tool 70 to the gripper 61 of the magazine 60 at the correct position.

Accordingly, the present invention overcomes the tension of the magazine's gripper even when the space for tool installation is narrow and it is difficult to build the tool due to the short length of the tool and the thin circumference of the tool. Since the tools of the can be uniformly attached and attached to the correct position, the non-processing time can be minimized, the convenience of the operator can be improved, and the productivity can be maximized.

In the detailed description of the present invention described above, it has been described with reference to preferred embodiments of the present invention, but those skilled in the art or those of ordinary skill in the relevant technical field of the present invention described in the claims to be described later It will be understood that various modifications and changes can be made to the present invention without departing from the spirit and technical scope. Therefore, the technical scope of the present invention should not be limited to the content described in the detailed description of the specification, but should be determined by the claims.

1: tool attachment and detachment device, 10: base portion
20: seating portion, 21: seating groove portion,
30: support, 31: adjustment,
32: fixed part, 40: guide part,
41: main body, 42: auxiliary,
50: handle portion, 60: magazine,
61: gripper, 62: key,
70: tool, 71: full stud,
72: shank portion, 73: flange portion,
74: keyway,

Claims (9)

Base portion; And
A magazine tool attachment/detachment device comprising: a seating portion having a seating groove portion and formed in the base portion.
The method of claim 1,
Magazine tool attachment/detachment device comprising; a support part formed on one surface of the base part
The method of claim 2,
The support part,
Magazine tool attachment and detachment device comprising; an adjustment part extending in a vertical direction on one surface of the base part.
The method of claim 3,
The support part,
A magazine tool attachment/detachment device comprising: a fixing part extending in a horizontal direction on one surface of the base part so as to be perpendicular to the adjusting part on one side of the adjusting part in the vertical direction.
The method of claim 1,
A magazine tool attachment/detachment device comprising: a plurality of guide portions formed on one surface of the base portion to be parallel while facing in a horizontal direction of the base portion.
The method of claim 5,
Each of the plurality of guide portions,
A magazine tool attachment/detachment device comprising: a main body portion extending in a vertical direction and protruding in a width direction on one surface of the base portion.
The method of claim 6,
Each of the plurality of guide portions,
A magazine tool attachment/detachment device comprising: an auxiliary part formed to be rounded on one side of the body in a vertical direction.
The method of claim 1,
Magazine tool attachment and detachment apparatus comprising a; handle portion formed on the other surface of the base portion.
The method according to any one of claims 1 to 8,
The tool is seated in the seating groove portion so as to be perpendicular to the axial direction of the tool, and the tool seated in the seating groove portion is inserted into the gripper of the magazine in a direction perpendicular to the axis of the tool.

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