JP2015065381A - Component mounting apparatus and component mounting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a component mounting apparatus and a component mounting method capable of improving the workability by reducing the work load when a component shortage occurs in a tape feeder using a splicingless method.SOLUTION: A tape feeder 5 includes a component mounting mechanism that performs pitch feeding of a carrier tape to supply a component to a pickup position. Between a reel holding part holding a reel on which a carrier tape is wound and a tape feeder 5, a carrier tape cutting means 15 for cutting the carrier tape is disposed. A camera 19 takes an image of a preceding tape 14(1) and a cutting determination section 44 determines whether the preceding tape 14(1) should be cut based on a detection result of a component contained in a component pocket. Based on the determination result, the preceding tape 14(1) is cut.

Description

  The present invention relates to a component mounting apparatus and a component mounting method for mounting a component held on a carrier tape on a substrate.

  Instead of using the splicing method that joins the newly used succeeding tape to the end of the pre-installed preceding tape as the component replenishment method for the tape feeder used for component supply in the component mounting equipment, the succeeding tape is spliced. A splicing-less system that is mounted on the tape feeder without matching is used (for example, see Patent Document 1). The splicing-less method has an advantage that the complicated manual tape joining operation which has been conventionally required becomes unnecessary.

JP 2011-2111169 A

  However, the prior art employing the splicing-less method, including the above-mentioned patent document examples, requires the separation of the terminal portion of the carrier tape and the supply reel that winds and stores the carrier tape. There was such a problem. That is, since the end portion of the carrier tape is fixed to the reel core of the supply reel by pasting or the like, it is necessary to cut the vicinity of the end portion of the preceding carrier tape in the tape feeder every time the parts are cut. Since parts breakage occurs randomly in multiple tape feeders, workers are required to constantly monitor the occurrence of parts breakage and perform cutting work in a timely manner each time. Reduction of load and improvement of workability have been demanded.

  Accordingly, an object of the present invention is to provide a component mounting apparatus and a component mounting method capable of reducing work load when a component breakage occurs and improving workability in a tape feeder using a splicing-less method.

  The component mounting apparatus of the present invention is a component mounting apparatus that mounts a component held on a carrier tape on a substrate, and feeds the component to a pickup position by a component mounting mechanism by pitch feeding the carrier tape. A reel holding unit that holds a reel on which the carrier tape is wound and stored, a carrier tape cutting unit that is disposed between the reel holding unit and the tape feeder, and cuts the carrier tape, and the carrier tape A cutting possibility determination unit that determines whether or not to cut, and the carrier tape cutting unit cuts the carrier tape based on a determination result of the cutting possibility determination unit.

  The component mounting method of the present invention is a component mounting method for mounting a component held on a carrier tape on a substrate, and feeding the component to a pickup position by a component mounting mechanism by pitch-feeding the carrier tape. A tape cutting step of cutting the carrier tape by a carrier tape cutting means disposed between a tape holding unit and a reel holding portion that holds a reel on which the carrier tape is wound and stored, and the carrier tape A cutting possibility determination step for determining whether or not to cut, and in the tape cutting step, the carrier tape is cut based on a determination result of the cutting possibility determination step.

  According to the present invention, in a component mounting apparatus that mounts a component held on a carrier tape on a substrate, the tape feeder that feeds the component to a pickup position by the component mounting mechanism by pitch feeding the carrier tape and the carrier tape are wound. A carrier tape cutting means for cutting the carrier tape is disposed between the reel holding unit for holding the stored reel, and the carrier tape is determined based on the determination result of the cutting possibility determining unit that determines whether or not the carrier tape should be cut. In the tape feeder using the splicing-less method, the work load at the time of occurrence of component breakage can be reduced and workability can be improved.

The top view of the component mounting apparatus of one embodiment of this invention The fragmentary sectional view of the component mounting apparatus of one embodiment of the present invention Structure explanatory drawing of the tape feeder in the component mounting apparatus of one embodiment of this invention, and the cart for tape supply Structure explanatory drawing of the carrier tape cutting mechanism in the component mounting apparatus of one embodiment of this invention Structure explanatory drawing of the carrier tape cutting mechanism in the component mounting apparatus of one embodiment of this invention Explanatory drawing of the cutting decision | availability judgment of the carrier tape in the component mounting apparatus of one embodiment of this invention Process explanatory drawing of the cutting process of the carrier tape in the component mounting method of one embodiment of this invention Explanatory drawing of the cutting decision | availability judgment of the carrier tape in the component mounting apparatus of one embodiment of this invention

  Next, embodiments of the present invention will be described with reference to the drawings. First, with reference to FIG. 1 and FIG. 2, the structure of the component mounting apparatus 1 which mounts an electronic component on a board | substrate is demonstrated. The component mounting apparatus 1 has a function of mounting an electronic component such as a semiconductor chip on a substrate, and FIG. 2 partially shows a cross section taken along line AA in FIG.

  In FIG. 1, a substrate transport mechanism 2 is disposed in the center of the base 1a in the X direction (substrate transport direction). The board transport mechanism 2 transports the board 3 carried in from the upstream side, and positions and holds the board 3 on a mounting stage set for executing a component mounting operation. Component supply units 4 are arranged on both sides of the board transport mechanism 2, and a plurality of tape feeders 5 are mounted in parallel on each component supply unit 4. The tape feeder 5 pitches the carrier tape containing the electronic components in the tape feeding direction, that is, the direction from the outside of the component supply unit 4 toward the substrate transport mechanism 2, thereby mounting the mounting head of the component mounting mechanism 10 described below. The electronic component is supplied to the pickup position 5a (see FIG. 2).

  A Y-axis movement table 7 having a linear drive mechanism is disposed at one end in the X direction on the upper surface of the base 1a. The Y-axis movement table 7 is similarly provided with a linear drive mechanism. Two X-axis moving tables 8 are coupled so as to be movable in the Y direction. A mounting head 9 is mounted on each of the two X-axis moving tables 8 so as to be movable in the X direction. The mounting head 9 is a multiple-type head having a plurality of holding heads. At the lower end of each holding head, as shown in FIG. 9a is attached.

  By driving the Y-axis movement table 7 and the X-axis movement table 8, the mounting head 9 moves in the X direction and the Y direction. As a result, the two mounting heads 9 take out the electronic components from the pickup positions 5a of the tape feeders 5 of the corresponding component supply units 4 by the suction nozzles 9a and transfer them to the mounting points of the substrate 3 positioned by the substrate transport mechanism 2. Mount. The Y-axis moving table 7, the X-axis moving table 8, and the mounting head 9 constitute a component mounting mechanism 10 that moves and mounts the electronic component on the substrate 3 by moving the mounting head 9 that holds the electronic component.

  A component recognition camera 6 is disposed between the component supply unit 4 and the board transport mechanism 2. When the mounting head 9 that has picked up the electronic component from the component supply unit 4 moves above the component recognition camera 6, the component recognition camera 6 captures and recognizes the electronic component held by the mounting head 9. Mounted on the mounting head 9 are substrate recognition cameras 11 that are located on the lower surface side of the X-axis moving table 8 and move together with the mounting head 9. As the mounting head 9 moves, the board recognition camera 11 moves above the board 3 positioned by the board transport mechanism 2 and picks up and recognizes the board 3. In the component mounting operation on the substrate 3 by the mounting head 9, the mounting position correction is performed in consideration of the recognition result of the electronic component by the component recognition camera 6 and the substrate recognition result by the substrate recognition camera 11.

  As shown in FIG. 2, a carriage 12 in which a plurality of tape feeders 5 are mounted in advance on a feeder base 12 a is set in the component supply unit 4. In the present embodiment, the plurality of tape feeders 5 include a carrier tape for the reel 13 (first reel 13 (1)) that is already mounted and a carrier for a new reel 13 (second reel 13 (2)) when parts are replenished. A splicing-less type tape feeder 5 that does not perform splicing to join the tape is included.

  In the splicing-less method, two reels 13 are required, that is, the first reel 13 (1) for supplying the previously installed preceding tape and the second reel 13 (2) for supplying the newly supplied succeeding tape. The carriage 12 is provided with two reel holding portions, a first reel holding portion 12b and a second reel holding portion 12c, corresponding to the arrangement positions of the tape feeders 5. The first reel holding part 12b is arranged at a position close to the tape feeder 5, and the second reel holding part 12c is arranged obliquely below the first reel holding part 12b. A first reel 13 (1) and a second reel 13 (2) are held by the first reel holding portion 12b and the second reel holding portion 12c, respectively.

  On the first reel 13 (1) and the second reel 13 (2), the preceding tape 14 (1) already mounted on the tape feeder 5 and the newly supplied succeeding tape 14 (2) are wound and stored, respectively. Yes. A carrier having a function of automatically cutting the preceding tape 14 (1) drawn from the first reel 13 (1) near the end of the component storage range between the first reel holding portion 12b and the tape feeder 5. Tape cutting means 15 is provided. In the splicing-less method, it is necessary to manually perform a tape cutting operation by an operator when exchanging reels. In the present embodiment, this tape cutting operation is automatically performed.

  Next, the detailed configuration of the component supply unit 4 and the structure of the carrier tape cutting means 15 will be described with reference to FIGS. As shown in FIG. 3B, in the component supply unit 4, the first reel 13 (1) and the second reel 13 (2) are provided on the first reel holding unit 12b and the second reel holding unit 12c. The reel support member 12d is rotatably supported. The preceding tape 14 (1) and the succeeding tape 14 (2) drawn from the first reel 13 (1) and the second reel 13 (2) are both drawn into the tape feeder 5 and pitch-fed through the tape feeder 5. Then, the pickup position 5a is reached, and the electronic component is taken out by the mounting head 9 here. The empty tape 14 * after the electronic components are taken out is discharged from the tape feeder 5 and collected in a collection box 17 disposed on the carriage base 16.

  The carrier tape cutting means 15 is provided on an upper portion of a base portion 18 erected on the carriage base 16 and includes a cutting portion 21 that performs tape cutting and a drive portion 20 that drives the cutting portion 21. The preceding tape 14 (1) drawn from the first reel 13 (1) is drawn into the tape feeder 5 via the cutting part 21. A camera 19 is disposed above the upstream position of the cutting portion 21 in the tape feed path of the preceding tape 14 (1) with the imaging surface down.

  By imaging the preceding tape 14 (1) with the camera 19, it is possible to detect the presence or absence of a component in each component pocket 14b (see FIG. 7) of the preceding tape 14 (1). And based on this part presence-and-absence detection result, the cutting | disconnection part 21 is operated and the preceding tape 14 (1) is cut | disconnected, The empty tape part of the terminal part of the preceding tape 14 (1) can be cut off.

  In the present embodiment, the first reel 13 (1) containing the preceding tape 14 (1) is brought close to the tape feeder 5 as the holding position of the first reel 13 (1) and the second reel 13 (2). However, the order of holding the first reel 13 (1) and the second reel 13 (2) in the first reel holding portion 12b and the second reel holding portion 12c is arbitrary, and the first reel 13 (1) may be held by the second reel holding portion 12c. Further, instead of holding the first reel 13 (1) and the second reel 13 (2) on the common carriage 12, they may be separately held on independent carriages.

  As shown in FIG. 3A, the cutting portion 21 is individually raised and lowered to the plurality of guide members 29 corresponding to the arrangement position of the first reels 13 (1) in the width direction (X direction) of the carriage 12. The cutting members 28 that are freely supported are arranged. The drive unit 20 has a function of selectively raising / lowering only the cutting member 28 corresponding to the preceding tape 14 (1) to be cut among the plurality of cutting members 28. In the drive unit 20, an elevating member 22 having a width corresponding to the entire arrangement width of the first reels 13 (1) is held horizontally by a guide unit 27 and is disposed horizontally. Is always biased upward by the tension spring 26.

  A cam member 23 having a sloped cam surface 23a (see FIG. 4A) is fixed to the upper surface of the elevating member 22, and a linear motion mechanism 24 such as an air cylinder is provided on the side of the cam member 23. The linear motion shaft 24a is fixedly arranged in a posture in which it is in the horizontal direction. The cam follower 25 coupled to the linear motion shaft 24a is in contact with the cam surface 23a of the cam member 23, and the cam follower 25 is driven forward and backward in the horizontal direction by driving the linear motion mechanism 24 (arrow a). The raising / lowering member 22 can be lifted / lowered (arrow b) via the member 23, whereby the cutting tape 28 can be moved up and down to cut the preceding tape 14 (1).

  Next, with reference to FIG. 4, FIG. 5, the detailed structure and function of the drive part 20 and the cutting | disconnection part 21 are demonstrated. As shown in FIG. 4B, the drive unit 20 is linearly moved to a frame part formed in an L-shaped cross section by a vertical part 20a in the vertical direction and a horizontal part 20b extending in the horizontal direction from the lower end of the vertical part 20a. The mechanism 24 is fixedly arranged. The guide rail 27a constituting the guide unit 27 is disposed in a vertical posture on the side surface of the vertical portion 20a, and the elevating member 22 is coupled to a slider 27b that is slidably mounted on the guide rail 27a in the vertical direction.

  A horizontal coupling member 22 a extends in the Y direction and is coupled to the lower surface of the elevating member 22. A spacer member 32 that is slidable in the Y direction by a slide portion 33 is disposed on the lower surface of the coupling member 22a. The spacer member 32 is horizontal in the Y direction by a linear motion mechanism 31 fixed to the lower surface of the coupling member 22a. Move forward and backward (arrow c). In a state where the spacer member 32 is advanced by the linear motion mechanism 31, the spacer member 32 is interposed between the cutting member 28 and the elevating member 22, and the elevating movement of the elevating member 22 is transmitted to the cutting member 28, so that the cutting member 28 Can be moved up and down. In the state shown in FIG. 4B, the cam follower 25 retreats and the elevating member 22 and the coupling member 22a are at the raised height position H1, and therefore the cutting member 28 is also in the raised state.

  The detailed structure of the cutting part 21 will be described. The cutting member 28 is guided to move up and down by a guide member 29 that is fixed to the lower surface of the horizontal portion 20b and extends downward. The cutting member 28 has a configuration in which a cutting blade portion 28b extends downward from a flange portion 28a provided in the middle. In the mounted state of the cutting member 28, the upper portion of the cutting member 28 is fitted into a sliding hole provided in the horizontal portion 20b, and the intermediate support portion in which the cutting blade portion 28b extends horizontally from the intermediate portion of the guide member 29. It fits in the sliding hole 29a.

  A compression spring 30 is mounted between the lower surface of the flange portion 28a and the upper surface of the intermediate support portion 29a. In a normal state, the flange portion 28a is in contact with the lower surface of the horizontal portion 20b by the urging force of the compression spring 30. is there. The lower end of the guide member 29 is provided with a tape support part 29b for supporting the preceding tape 14 (1) to be cut, and the cutting blade part 28b is inserted into the tape support part 29b during the tape cutting operation. For this purpose, an insertion hole 29c is formed.

  5 (a) and 5 (b) both show a state where the linear motion mechanism 24 is driven and the cam follower 25 is advanced, and the elevating member 22 is lowered from the raised height position H1 shown in FIG. 4 (b). (Arrow d), and is located at the descending height position H2. Here, FIG. 5A shows a state in which the spacer member 32 is retracted without the linear motion mechanism 31 operating. For this reason, even if the elevating member 22 is at the lowered height position H2, the lowering operation of the elevating member 22 is not transmitted to the cutting member 28, and the cutting blade portion 28b does not cut the preceding tape 14 (1).

  On the other hand, FIG. 5B shows a state where the elevating member 22 is lowered while the linear motion mechanism 31 is operated and the spacer member 32 is positioned above the cutting member 28. In this case, the lowering operation of the elevating member 22 is transmitted to the cutting member 28 via the spacer member 32. For this reason, when the elevating member 22 reaches the descending height position H2, the cutting blade portion 28b descends to a position for cutting the preceding tape 14 (1) (arrow e) and is inserted into the insertion hole 29c. Thereby, the preceding tape 14 (1) located on the tape support part 29b is cut and separated at the cutting position (see FIG. 6) defined by the cutting blade part 28b.

  In the lowering operation for lowering the elevating member 22 in this way, the cutting member 28 disposed corresponding to each of the plurality of first reels 13 (1) is selected by selectively operating the linear motion mechanism 31. Can be lowered. Thereby, the cutting target can be arbitrarily selected from the plurality of first reels 13 (1), and the preceding tape 14 (1) can be cut.

  Next, the tape feeding operation by the tape feeder 5 and the tape cutting operation by the carrier tape cutting means 15 will be described with reference to FIG. The tape feeder 5 includes a feeder control unit 40, a first tape feed mechanism 41A, a second tape feed mechanism 41B, and a tape stop mechanism 42. The first tape feeding mechanism 41A and the second tape feeding mechanism 41B are controlled by the feeder controller 40 and individually feed the preceding tape 14 (1) and the succeeding tape 14 (2), respectively. In the tape feed of the preceding tape 14 (1), an empty tape portion in which no part is stored in the pocket near the terminal end approaches the cutting portion 21, and the part is stored in the empty tape portion and the pocket at a predetermined cutting position. The leading tape 14 (1) is cut by the carrier tape cutting means 15 at the timing when the boundary with the actual pocket portion is matched.

  In this state, the subsequent tape 14 (2) is newly supplied to the tape feeder 5. At this time, the leading end of the subsequent tape 14 (2) temporarily stands by by the tape stop function of the tape stop mechanism 42. Thereafter, at the timing when the leading tape 14 (1) is fed and the trailing end reaches a predetermined position, the tape stopping function by the tape stopping mechanism 42 is released, and the tape feeding of the succeeding tape 14 (2) is resumed. The

  When cutting the preceding tape 14 (1) by the carrier tape cutting means 15, based on the result of imaging the preceding tape 14 (1) by the camera 19 on the upstream side of the cutting unit 21, the component pocket 14 b is detected by the component presence / absence detecting unit 43. The presence / absence of a component in (see FIG. 7) is detected, and based on the detection result of the component presence / absence, the cutting possibility determination unit 44 determines whether or not the preceding tape 14 (1) should be cut. Then, the carrier tape cutting means 15 cuts the preceding tape 14 (1) based on the determination result of the cutting possibility determination unit 44.

  Next, with reference to FIG. 7, a component mounting method for mounting a component held on the carrier tape 14 by the component mounting apparatus 1 having the above-described configuration onto a substrate will be described. Here, an operation process related to supply and cutting of the preceding tape 14 (1) in component mounting is described. First, as shown in FIG. 7 (a), the leading tape 14 (1) drawn from the first reel 13 (1) is pitch-fed (arrow f) to supply the component to the pickup position 5a by the component mounting mechanism. (Tape feeding process).

  In this tape feeding process, an empty tape portion in which no component is stored in the component pocket near the terminal portion of the preceding tape 14 (1) stored in the first reel 13 (1) approaches the cutting portion 21; The leading tape 14 (1) is cut by the cutting portion 21 of the carrier tape cutting means 15 at the timing when the boundary between the empty tape portion and the actual pocket portion where the component is stored in the component pocket coincides with the cutting position by the cutting portion 21. Is cut (tape cutting step).

  At the time of this tape cutting, whether or not the carrier tape should be cut is determined by the cutting possibility determination unit 44 (cutting possibility determination step). Then, based on the determination result of this cutting possibility determination step, the preceding tape 14 (1) is cut. That is, the result of imaging the preceding tape 14 (1) by the camera 19 is processed by the component presence / absence detection unit 43, whereby a plurality of component pockets 14b formed on the base tape 14a are processed as shown in FIG. The presence or absence of the part P is detected. Then, the component pocket 14b (actual pocket) in which the component P is stored and the component pocket 14b (empty pocket) in which the component P does not exist are identified, and the position (arrow C) where the preceding tape 14 (1) should be cut is specified. To do. That is, in the cutting possibility determination step, whether cutting is possible is determined based on the detection result of the presence / absence of the part P in the part pocket 14b.

  Next, as shown in FIG. 7C, when the position to be cut of the preceding tape 14 (1) coincides with the cutting position by the cutting portion 21, the carrier tape cutting means 15 is operated to cut the cutting blade portion 28b. Is moved up and down (arrow g). As a result, as shown in FIG. 7D, the leading tape 14 (1) is divided into the range of the stored component pocket 14b (actual pocket) and the range of the component pocket 14b (empty pocket) where the component P does not exist. To be separated. Then, the empty pocket range 14 (1) * of the preceding tape 14 (1) is left, and only the actual pocket range is tape-fed (arrow h) and taken into the tape feeder 5.

  FIG. 8 shows an example in which the above-described cutting possibility determination is performed based on the remaining number of parts P held on the preceding tape 14 (1). In the example shown here, whether or not cutting is possible is determined based on the remaining number of parts P in the preceding tape 14 (1) stored and held on the first reel 13 (1).

  That is, as shown in FIG. 8A, the first tape feeding mechanism 41A includes a sprocket 45 for pitch-feeding the preceding tape 14 (1), and the rotation detector 46 detects the rotation of the sprocket 45. By doing so, it is possible to calculate the number of parts reduction that is reduced by being pulled from the first reel 13 (1) by tape feeding. The number-of-components storage unit 48 stores the total number of components 48a indicating the number of components initially stored in the first reel 13 (1), and sequentially subtracts the number of reduced components described above from the total number of components 48a. Thus, the remaining number of parts 48b at each timing can be calculated.

  Here, the remaining part number 48b is defined as the total number of parts stored in the preceding tape 14 (1) existing upstream from the cutting position in the cutting part 21, as shown in FIG. 8B. The process of calculating the remaining part number 48 b is executed by the remaining part number calculating part 47 based on the detection result by the rotation detecting part 46 and the total number of parts 48 a stored in the part number storing part 48. Then, by referring to the timing when the number of remaining parts 48b becomes 0, the cutting possibility determination unit 49 determines whether cutting is possible, and based on the determination result, similarly to the examples shown in FIGS. 7B to 7D. The preceding tape 14 (1) is cut.

  As described above, in the component mounting apparatus and component mounting method shown in the present embodiment, in the component mounting apparatus that mounts the component held on the carrier tape on the substrate, the component is removed by pitch-feeding the carrier tape 14. Carrier tape cutting means 15 for cutting the preceding tape 14 (1) is disposed between the tape feeder 5 to be supplied to the pickup position 5a by the mounting mechanism and the reel holding portion for holding the reel 13 on which the carrier tape 14 is wound and stored. In addition, the preceding tape 14 (1) is cut based on the determination results of the cutting possibility determination units 44 and 49 that determine whether or not the preceding tape 14 (1) should be cut. Thereby, in the tape feeder 5 using the splicing-less method, the preceding tape 14 (1) can be automatically cut, and the work load at the time of the occurrence of the component breakage can be reduced to improve workability.

  The component mounting apparatus and the component mounting method of the present invention have the effect of reducing work load when a component breakage occurs and improving workability in a tape feeder using a splicing-less method. This is useful in the field of component mounting where electronic components are taken out and mounted on a substrate.

DESCRIPTION OF SYMBOLS 1 Component mounting apparatus 3 Board | substrate 4 Component supply part 5 Tape feeder 9 Mounting head 10 Component mounting mechanism 12 Cart 13 Reel 13 (1) 1st reel 13 (2) 2nd reel 14 Carrier tape 14 (1) Leading tape 14 (2) ) Subsequent tape 15 Carrier tape cutting means

Claims (6)

A component mounting apparatus for mounting a component held on a carrier tape on a substrate,
A tape feeder that feeds the component to a pickup position by a component mounting mechanism by pitch-feeding the carrier tape;
A reel holding unit for holding a reel on which the carrier tape is wound and stored;
A carrier tape cutting means arranged between the reel holder and the tape feeder for cutting the carrier tape;
A cutting possibility determination unit that determines whether or not the carrier tape should be cut; and the carrier tape cutting unit cuts the carrier tape based on a determination result of the cutting possibility determination unit. Mounting device.   The component mounting apparatus according to claim 1, wherein the cutting possibility determination unit determines whether cutting is possible based on a result of detecting presence / absence of a component in a component pocket of the carrier tape.   The component mounting apparatus according to claim 1, wherein the cutting possibility determination unit determines whether cutting is possible based on a remaining number of parts held on the carrier tape. A component mounting method for mounting a component held on a carrier tape on a substrate,
Tape feeding step of feeding the component to a pickup position by a component mounting mechanism by pitch feeding the carrier tape;
A tape cutting step of cutting the carrier tape by a carrier tape cutting means disposed between a reel holding unit that holds a reel on which the carrier tape is wound and stored, and the tape feeder;
A step of determining whether or not the carrier tape should be cut, and in the tape cutting step, cutting the carrier tape based on the determination result of the cutting possibility determining step. Method.   5. The component mounting method according to claim 4, wherein, in the cutting possibility determination step, the cutting possibility is determined based on a result of detecting presence / absence of a component in a component pocket of the carrier tape.   5. The component mounting method according to claim 4, wherein in the cutting possibility determination step, the cutting possibility is determined based on a remaining number of parts stored and held on the carrier tape.

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