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3-6. Setting of the abnormal stitch detection function 

Please refer to the technical manual [Operation Panel] [22] [Program mode list] 23[Traceability] for 

checking detail of the abnormal stitch detection function.

 

 

3-6-1. Setting change example of the abnormal stitch detection1 

When changing setting of the abnormal stitch detector1, refer to the following example. 

Open the Traceability in the Program Mode refer to [3-4] [How to use the abnormal stitch detector].

 

(1)  In the case of 

erroneous detection 

occurring without occurring the abnormal stitch. 

-

>Adjust that erroneous detection doesn’t occur by increasing set value of SKCS little by little.

 

Note If it is difficult to adjust, use test output of the abnormal stitch detection SKTS. 

   

Checking procedure:   

1. Press 

  to 

  to 

  (need password) on the standard screen, 

open the Output Customize Setting screen. 

                                    2. Set output signal is not used to SKTS. 

Note Please refer to the technical manual [Operation Panel] [16][Input/output 

setting mode] for checking detail of operation 1,2.

 

       

     

 

3. Connect output terminal is set in 2 to the outside lamp. 

                                            -> It is possible to substitute for outside lamp by changing Halt signal being on 

output SSW to SKTS. 

 

       

           

4. In this state, Sew while working the abnormal stitch detector.                                 

And adjust that lamp doesn’t light while standard sewing by increasing set value of 

SKCS little by little. 

(2) In the case of not detecting when the abnormal stitch occur. 

-> Adjust that 

erroneous detection doesn’t occur while standard sewing by decreasing set value of 

SKCS little by little. 

(3) If you want not to detect while sewing at less than 1,000rpm. 

-> Change set value of SKSP 

to “1000”.   

(4) If you want not to detect from start sewing to 6 stitches latter, and from end sewing to 8 stitches former. 

-> Change set value of SKN1 

to “6” and SKN3 to “8”.   

(5) If you want to change sewing stop timing by the abnormal stitch detector to when stop upper shaft next 

time. 

-> Change set value of SKTP 

to “ED”. 

3-6-2. Setting change example of the abnormal stitch detection2 

When changing setting of the abnormal stitch detector2, refer to the following example. 

Note It is mentioned only about explanation different from the abnormal stitch detection1. 

Open the Traceability refer to [3-5] [Adjustment of the abnormal stitch detector gap]. 

(1) Change set value of S2CE to the same value as SKCS 

set at “3-6-1(1), (2). 

(2) In the case of 

erroneous detection 

occurring without occurring the abnormal stitch. 

-> 

Adjust that erroneous detection doesn’t occur by increasing set value of S2FL little by little.

 

 
 

Summary of Contents for MP-J25-AD

Page 1: ...INDUSTRIAL SEWING MACHINE Attachment MODEL MP J25 AD TECHNICAL MANUAL Abnormal Stitch Detector A180E839P01 ...

Page 2: ......

Page 3: ...recaution for sewing machine operation Indicates that removing the safety and operating the sewing machine for some other purposes with power on are prohibited Please do not operate the sewing machine without protective equipment such as a needle guard an eye guard a belt cover or the others Please turn off the power switch when threading changing a needle and a bobbin cleaning and lubricating 2 C...

Page 4: ...ations When ordering service parts please specify in the Parts No M 1 1 Abnormal stitch detector parts Fiber amp parts 1 2 Solenoid valve parts Accessories 119 120 121 122 125 126 127 124 123 101 102 104 2 108 2 106 105 2 107 2 103 2 106 105 109 2 111 2 110 2 112 2 113 2 114 2 115 116 117 118 7 119 120 121 122 ...

Page 5: ...ase 1 112 M92004020 ロッカクアナツキトメネジ M2X2 Set screw M2X2 2 113 MJ61A0571 カンツギテ Connector 1 114 MJ61A1476 スペーサ Spacer 2 115 MJ61A1742 ベースフタ Base cover 1 116 MJ40A0626 ガード Guard 1 117 MJ40A0257 ハサミイタ Plate 1 118 M93000022 ロッカクアナツキボタンボルト M3X6 Button bolt M3X6 2 119 MJ61A1757 ファイバアンプクミタテ Optical fiber amplifier assy 1 120 M90859004 SW PW プラマイナベネジ M3X6 SW PW pan screw M3X6 2 121 MJ61A0602 トリツケ...

Page 6: ... screws Fig No 101 2 1 To work in the presence of residual pressure in the pneumatic circuit It is dangerous Please work after you remove the residual pressure always The method of removing the residual pressure and pull up the handle of the pressure regulating filter regulator can be done by turning counter clockwise until the pressure gauge shows 0 When installing removal of parts please go to t...

Page 7: ...hile pushing up 2 3 Setting of Connector 1 Remove five screws 2 and MIF board cover 1 2 Pass the fiber amp assy s connector cable Fig No 119 through the side hole of MIF board bracket 3 Note If it is difficult to through the connector cable through it after loosening two screws 5 While being careful not to damage cables close the shatter 4 and tighten two screws 5 again 3 Connect the connector to ...

Page 8: ...3 and motor cover 2 3 Remove two screws 6 from Solenoid valve 4 and blanking plate assy Note If two or more blanking plate assy are attached please remove any one 4 Install the solenoid valve through gasket with two screws as shown in the figure where the blanking plate assy 5 was removed 2 Insert the plug Fig No 124 completely the hole on the left side of the solenoid valve 123 124 2 3 5 6 4 1 ...

Page 9: ... 123 through the connector cap 9 Completely insert the lead wire red into 15 pin connector 4 lead wire black into 5 8 Insert the 15 pin connector 7 into MIF board again 2 5 Piping Piping two φ4 tubes One contains a fiber unit connected to the abnormal stitch detector installed in 2 1 Installing the Abnormal stitch detector 1 Remove seven screws 3 head cover 1 and cover 2 7 3 1 2 赤 黒 赤 黒 追加ピン 9 既 存...

Page 10: ...her and fix with the nylon clip 5 Pass two φ4 tubes from the right side of the motor 7 Bundle it with the existing tubes using a cable tie Fig No 127 and pipe it to the back of the sewing machine Note If the existing nylon clip is small change the nylon clip Fig No 126 6 Insert the end of φ4 tube One without a fiber unit completely into the right side of the solenoid valve Fig No 123 installed ear...

Page 11: ...d cover 1 and the cover 2 3 How to use 3 1 How to thread the upper thread Pass the upper thread through the abnormal stitch detector as shown on the right figure How to pass the upper thread through other parts is different depends on the model so confirm the technical manual SEWING MACHINE HEAD of each model 3 2 Setting of output customize 1 Press to to need password on the standard screen open t...

Page 12: ... assy decrease It is the state obstructing the sensor light 5 On the operation panel Stop blowing air by cancelling output SKAR and pull thread as shown on the upper right figure Check separating thread and sensor light In this state press button again 3 3 3 Setting of threshold level Press button and set threshold level 8000 3 3 4 Setting of DPC function DPC is the function restores changing of i...

Page 13: ...2 Clean inside the abnormal stitch detector Hatched area and remove the thread waste 3 Attach spacers Fig No 114 the base cover Fig No 115 the guard Fig No 116 and the plate Fig No 117 with button bolts No 118 again When seeing the abnormal stitch detector from above attach the guard Fig No 116 with making an edge of the guard No 116 contact a protrusion of the base cover No 115 as shown on the ri...

Page 14: ...N OFF Adjustment of a gap procedure 1 Remove two button bolts Fig No 118 the plate Fig No 117 the guard Fig No 116 and the base cover Fig No 115 2 Remove two spacers Fig No 114 and attach the base cover Fig No 115 the guard Fig No 116 the plate Fig No 117 with button bolts Fig No 118 again Note When attaching the guard pay attention to installation position by referring to 3 3 5 2 Clean the abnorm...

Page 15: ...g on output SSW to SKTS 4 In this state Sew while working the abnormal stitch detector And adjust that lamp doesn t light while standard sewing by increasing set value of SKCS little by little 2 In the case of not detecting when the abnormal stitch occur Adjust that erroneous detection doesn t occur while standard sewing by decreasing set value of SKCS little by little 3 If you want not to detect ...

Page 16: ...Printed in Japan ...

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