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    • 122. 发明专利
    • PRESS MACHINE
    • JPH06218599A
    • 1994-08-09
    • JP2840693
    • 1993-01-26
    • JANOME SEWING MACHINE CO LTD
    • SHIMIZU MASATOKODAMA NAGATOMO
    • B30B1/18B30B15/14G01B5/30
    • PURPOSE:To remarkably improve a precision of a subject to be machined with a pressurization in a press machine by correcting a strain amount against a displacing amount generating corresponding to a pressurizing force, and control ling a generating pressurizing force with this. CONSTITUTION:In a displacement detecting means 7, a displacement sensor 7a is fixedly attached on a lower part of a free end side of a press body P, a sensor receiving piece 7b opposing the displacement sensor 7a is provided on an upper part end of a displacement standard board B formed in a U shape, and the displacing amount H is changed corresponding to the pressurizing force in a time pressurizing with a ram l. The displacement of the press body P can be surely measured, and can be measured without being disturbed in any way with a subject to be machined W. At first, the subject to be machined W is pressurized, the displacing amount H corresponding to the pressurizing force in the time is detected, the correcting value corresponding to the displacing amount H is given and the strain amount is corrected. Then whether the press condition is satisfied or not is confirmed. If it is satisfied, the press action is finished. Therefore, the machining precision can be easily and remarkably improved.
    • 125. 发明专利
    • SEWING MACHINE PROVIDED WITH BOBBIN THREAD NECESSARY QUANTITY DESPLAY
    • JPH06165885A
    • 1994-06-14
    • JP14666592
    • 1992-05-12
    • JANOME SEWING MACHINE CO LTD
    • SASANO AKIYOSHI
    • D05B3/02D05B21/00D05B59/00D05C5/06
    • PURPOSE:To prevent bobbin therad brakag caused by shortage of a bobbin thread on the way of sewing by providing each separate storage means for storing seam informaiton for forming plural patterns, and the necessary bobbin thread quantity at every pattern, and displaying the necessary bobbin thread quantity of a selected pattern on a display menas. CONSTITUTION:By operating a pattern selecting means 6, a pattern seam information storage means 7 is retrived and information of a designated pattern is stored and held in a selected pattern storage means 9, and for starting a sewing machine, pattern control data is read out by aligniing the timing with a vertical motion of a needle, and by driving X and Y directin driving motors 11, 12, a pattern seam is formed. Also, in the this case, by a bobbin thread necessary quantity artihmetic program storage means 17, the bobbin thread necessary quantity correcponding to target seam information determined and stored in advance, and the quantity of the bobbin thread required by an arithmetic expression of a correction coefficient being different by thcikness of cloth, the kind of cloth, the kind of a thread, deformation of a pattern, etc., are calculated. Subsequently, this calculated bobbin theread quantity is displayed on a display means 18, and by confirming the bobbin thread quantity of a bobbin, sewing is performed.