Wire measuring and cutting apparatus and wire changing method using the same
First Claim
Patent Images
1. A wire measuring and cutting apparatus comprising:
- a wire retrieving section for retrieving wires stored in a wire storing section,a wire cutting location set at a location a predetermined distance from the wire retrieving section,a passline having a predetermined length which guides the wire retrieved from the wire retrieving section and leads it to the wire cutting location,a wire feeding means provided on the passline for feeding wire in the direction of the wire cutting location along the passline,a wire length measuring means provided on the passline for measuring the length of the wire passing through the passline,a production condition setting means wherein at least the following conditions such as type of wire to be employed, length of the wire to be produced and number of wires to be produced are set,a wire cutting means arranged on the wire cutting location which operates to cut wire whenever the wire length measuring means measures the same length as that of the wire to be produced which is set to the production condition setting means,a displaying means for displaying data, anda wire change control means which counts the number of cutting of the wire cutting means and stops the wire feeding means when the number of cutting reaches a value smaller by a predetermined number N than the number of wires to be produced which is set to the production condition setting means and to cause to display of instructions for performing wire change on said displaying means.
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Abstract
The wire changing method of the present invention reduces wasteful wires generated whenever wires are changed. When the number of cutting of the wires 28A being produced in a processing device 11 becomes as follows:
T=Q-{INT(R/L)+1}
wherein Q is the number of wires to be produced, R is the passline length, L is the length of one wire to be produced and INT is the conversion code to integer, the operations of the processing device 11 is temporarily stopped. And the wire 28A is cut at the distance X from the entrance B of the passline, said distance X being represented by the equation:
X=L-{R-INT(R/L)×L},
so as to splice it to the wire of type 28B to be employed next. Thus, the wires remaining in the passline can be utilized effectively and the necessary amount is added as the length of wire to be added, thereby reducing wasteful wires generated at the time of the wire change.
21 Citations
13 Claims
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1. A wire measuring and cutting apparatus comprising:
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a wire retrieving section for retrieving wires stored in a wire storing section, a wire cutting location set at a location a predetermined distance from the wire retrieving section, a passline having a predetermined length which guides the wire retrieved from the wire retrieving section and leads it to the wire cutting location, a wire feeding means provided on the passline for feeding wire in the direction of the wire cutting location along the passline, a wire length measuring means provided on the passline for measuring the length of the wire passing through the passline, a production condition setting means wherein at least the following conditions such as type of wire to be employed, length of the wire to be produced and number of wires to be produced are set, a wire cutting means arranged on the wire cutting location which operates to cut wire whenever the wire length measuring means measures the same length as that of the wire to be produced which is set to the production condition setting means, a displaying means for displaying data, and a wire change control means which counts the number of cutting of the wire cutting means and stops the wire feeding means when the number of cutting reaches a value smaller by a predetermined number N than the number of wires to be produced which is set to the production condition setting means and to cause to display of instructions for performing wire change on said displaying means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for changing wires, from a first type wire W1 to a second type wire W2, to be fed through a passline of R in length to a cutting location of a wire measuring and cutting apparatus for measuring and cutting the first type of wire W1 to produce Q size-adjusted wires of L in length, wherein an exit of the passline is said cutting location and an entrance side of the passline is a wire changing location, said method comprising:
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stopping operation of the apparatus temporarily when a number of cutting operations T of the wire W1 becomes as follows;
space="preserve" listing-type="equation">T=Q-{INT(R/L)+1}wherein INT is a code for conversion to an integer, and cutting the first type wire W1 and splicing it to the second type wire W2 in the vicinity of a location at a distance X from the entrance of the passline, said distance X being represented by an equation;
space="preserve" listing-type="equation">X=L-{R-INT(R/L)×
L}+αwherein α
is a constant not less than zero.
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Specification
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Current AssigneeSumitomo Wiring Systems Limited (Sumitomo Corporation)
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Original AssigneeSumitomo Wiring Systems Limited (Sumitomo Corporation)
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InventorsTamura, Yoshikazu
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Primary Examiner(s)Envall, Jr., Roy N.
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Assistant Examiner(s)Garland, Steven R.
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Application NumberUS08/327,840Time in Patent Office439 DaysField of Search364/188, 364/468, 364/469, 364/471, 364/472, 364/562, 364/474.09, 140/140, 156/433, 226/4, 226/11, 226/45, 226/48, 242/25 R, 242/7.03, 72/3, 72/5, 83/61, 83/76.6-76.9, 83/298, 29/564.6, 29/755, 29/564.1, 29/564.4, 29/564.2, 29/563, 29/564.8, 29/868, 29/825US Class Current702/158CPC Class CodesH01R 43/052 with wire-feeding mechanismH01R 43/28 for wire processing before ...Y10T 29/53243 Multiple, independent condu...Y10T 83/18 With operator input means
