JUKI SC-921 Скачать руководство пользователя страница 19 | Manualshive

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background image

❻

❺

❹

❸

❶

Ⓑ

Ⓐ

❻

❺

❹

❸

❶

❷

❷

❼

❼

Ⓒ

Ⓓ

Ⓒ

Ⓑ

Ⓐ

Ⓓ

3. Operating procedure of the sewing pattern

Without reverse
stitching :

Reverse
stitching :

Double reverse
stitching :

(Caution) 1. For the operation panel other than CP-18, refer to the Instruction Manual for the operation

panel to be used.

2. For some machine heads, reverse-stitching pattern cannot be used.

(1) Reverse feed stitching pattern

Reverse feed stitching at sewing start and reverse feed stitching at sewing end can be separately pro-
grammed.

[Setting procedure of the reverse feed
stitching]

1) Effective/ineffective of the re-

verse feed stitching pattern can be
changed over by pressing

switch

❶

.

When the reverse feed stitching

pattern is rendered effective, LED

Ⓒ

lights up, the number of stitches of
the reverse feed stitching at sewing
start is displayed on

Ⓐ

, and the

number of stitches of the reverse
feed stitching at sewing end is dis-
played on indicator

Ⓑ

.

2) When the number of reverse feed

stitches display is not flashing on
and off, every press on

switch

❸

changes over the reverse feed

stitching mode from the "reverse
feed stitching at sewing start," "dou-
ble reverse feed stitching at sewing
start" and "no reverse feed stitching
at sewing start."

In addition, every time

switch

❺

is pressed, the reverse feed stitching
feature changes over from the re-
verse feed stitching at sewing end to
the double reverse stitch at sewing
end, then to no reverse feed stitch-
ing at sewing end, in turn.

Select a process (A, B, C or D) the number of stitches for which is to be changed by using

switch

❹

.

The number which is flashing on and off represents the process which is being set.
Change the number of stitches for the selected process by using

switch

❺

and

switch

❻

.

Press

switch

❸

to confirm the change you have made. (The number of stitches that can be set is

0 to 15.)

(Caution) The sewing machine cannot perform sewing when the display of the number of stitches for

a process is flashing on and off.

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Содержание SC-921

Страница 1: ...SC 921 INSTRUCTION MANUAL ...

Страница 2: ...ching pattern 18 4 One touch setting 19 5 Production support function 20 6 Setting of functions of SC 921 23 7 Function setting list 24 8 Detailed explanation of selection of functions 28 9 Automatic compensation of neutral point of the pedal sensor 38 10 Selection of the pedal specifications 38 11 Setting of the auto lifter function 39 12 Selecting procedure of the key lock function 40 13 Connect...

Страница 3: ...washers as shown in the figure so that the con trol box and sensor bracket are securely fixed 2 Install the control box or the one equipped with a small sized motor unit on the table Then install the sewing machine head on the table Refer to the Instruction Manual for the sewing machine 3 Install the mounting plate on the CP 18 panel with four tapping screws supplied with the unit At this time tak...

Страница 4: ...nput output cables and of the reactor box 4 Attach reactor box cover to reactor box mounting plate with four reactor box cover setscrews At this time fix cord bushes attached to input output cables and in the concave section on reactor box cover to eliminate a gap between reactor box and cover 5 Install reactor box on the table stand with four accessory wood screws at the posi tion that is approxi...

Страница 5: ...l as accessories LZ 2280 series 1 11 64 40 L 7 8 Screws supplied with machine head Table 1 1 For the DDL 5556 and LZ 228 the machine head is supplied with an auxiliary bracket for mounting the control panel as an accessory Be sure to install the bracket while referring to the instruction manual for the machine head Caution 1 Screws to be used for installing the panel differ with the machine head i...

Страница 6: ...nstruction Manual for the panel to be used CN33 Synchronizer It detects the needle bar position CN37 Presser foot lifting solenoid Only for the automatic presser foot lifter type CN48 Safety switch standard When tilting the sewing machine without turning the power OFF the operation of the sewing machine is prohibited so as to protect against dan ger OPTION switch Input function can be changed by c...

Страница 7: ...he inserting directions When using a type with lock in sert the connectors until they go to the lock The sewing machine is not actuated unless the connectors are inserted properly In addition not only the problem of error warning or the like occurs but also the sewing machine and the control box are damaged Connecting the connector for the operation panel The connector for the operation panel is p...

Страница 8: ...nd How to fix cable clip band How to remove cable clip band Pushing the hook portion push the band to remove it Pull Push Push the hook Connection of the pedal of standing work machine Connect the connector of PK70 to connector CN39 12P of SC 921 Caution Be sure to turn OFF the power before connecting the connector Panel Panel Connect the connector of reactor box fan cord to connector CN62 6P of S...

Страница 9: ...f the box 11 Connect motor output cord of the power switch to connector Connect motor output cord to connector locat ed on the side of the box CE 1ø 230V AC 220V 240V Installing power switch Connect power supply cord to the power switch CE specifications Single phase 230V Power supply cords Brown Blue and green yellow ground wire Brown Blue Green Yellow ground wire For CE specifications only 7 B ...

Страница 10: ...onnector mounted on the PWR PCB with the connector for 100 V Connect the crimp style terminal of AC input cord to the power plug as shown in the figure A B C To change over the supply voltage from 100 120 V to 200 240 V Change the power cord with the JUKI genuine cord with the part number M90175800A0 Change over supply voltage changeover connector mounted on the PWR PCB with the connector for 200 ...

Страница 11: ... Red White Green Yellow ground wire JA 1ø 120V AC 100V 120V Black White Green Yellow ground wire When the metallic conduit is used be sure to change over the power cord section following the steps of procedure described below Caution Be sure to carry out this procedure before installing the control box on the machine table 1 Place the control box with its frame side down on the machine table as il...

Страница 12: ...D from the main body of the control box 5 Remove connector E while holding its locking section F with your fingers 6 Turn connector G to remove the cord locking section 7 Loosen nut H to remove the connector from clamping plate D C D E F F G H D 10 ...

Страница 13: ...amping plate D 9 Install clamping plate D back to the control box 10 Pass power cord J through conduit K 11 Fix conduit K with locknuts I with clamping plate D placed between the locknuts 12 Close underside cover A and secure the cover with screw B A B I D J K I I D J J 11 ...

Страница 14: ...e to prepare power plug conformed to the safety standard 3 Be sure to connect the ground wire green yellow B A 4 Attaching the connecting rod 1 Fix connecting rod to installing hole B of ped al lever with nut 2 Installing connecting rod to installing hole A will lengthen the pedal depressing stroke and the pedal operation at a medium speed will be easier WARNING To protect against possible persona...

Страница 15: ... function setting No 95 2 The type of machine head can be selected by pressing switch switch Refer to the List of machine heads on the separate sheet or the Instruc tion Manual for the machine head of your sewing machine for the type of the machine head 3 After selecting the type of machine head by pressing switch switch the step proceeds to 96 or 94 and the display automat ically changes to the c...

Страница 16: ... the adjustment mode 3 Turn the pulley of the machine head by hand until the main shaft reference signal is detected At this time the degree of an angle from the main shaft reference signal is displayed on the indicator Ⓑ The value is the reference value 4 In this state align marker dot on the pulley with recess on the pulley cover The MF 7000 series has two marker lines For the initial setting ad...

Страница 17: ...returned to the neutral posi tion the sewing machine stops 4 When lightly depressing back part of the ped al the presser goes up PFL type only 5 When strongly depressing back part of the pedal thread trimming is performed 8 When sewing is completed press OFF button of the power switch to turn OFF the power switch after confirming that the sewing machine has stopped 7 For some types of the sewing m...

Страница 18: ...ected process flashes on and off switch Used for changing the content of the selected display flashing section and for changing over effective ineffective of the reverse stitch at sewing end switch Used for changing the content of the selected display flashing section switch Used to call the production support function or one touch setting by keeping the switch held pressed for one second Indicato...

Страница 19: ...nd is dis played on indicator Ⓑ 2 When the number of reverse feed stitches display is not flashing on and off every press on switch changes over the reverse feed stitching mode from the reverse feed stitching at sewing start dou ble reverse feed stitching at sewing start and no reverse feed stitching at sewing start In addition every time switch is pressed the reverse feed stitching feature change...

Страница 20: ...nged over by pressing switch When the overlapped stitching pat tern is rendered effective LED Ⓓ lights up 2 Select a process A B C or D the number of stitches for which is to be changed by using switch The number which is flashing on and off represents the process which is being set A B C B C D 3 Change the number of stitches for the selected process by using switch and switch 4 Press switch to co...

Страница 21: ...lue which is set for setting No 38 Setting of the max speed of stitch The highest speed of stitch of the machine head is set The upper limit of the set value differs with the type of machine head to which the SC is connected Setting range 150 Max value sti min Material end sensor function Material end sensor function is ineffective Once the material end is detected the sewing machine stops running...

Страница 22: ... measuring function Sewing machine availability rate display mode F300 Pitch time display mode F400 Average number of revolutions display mode F500 Sewing machine availability status is automatically measured and displayed on the control panel The data obtained can be used as basic data to perform process analyses line arrangement and equip ment efficiency checkup Bobbin counter function Bobbin co...

Страница 23: ...e resetting operation for the resetting procedure of data 7 To return to the normal sewing state press switch Data to be displayed under the respective modes are as described in the table below Table 1 Display of modes Mode name Indicator Ⓐ Indicator Ⓑ Indicator Ⓑ when switch is pressed Target No of pcs display mode F100 Actual number of pieces Unit piece 1 Target number of pieces Unit piece 2 Tar...

Страница 24: ...ns of sewing machine Resets average availability rate of sewing ma chine Resets average pitch time Resets average number of revolutions of sew ing machine Bobbin counter display mode Resets the bobbin counter value Note that only the bobbin counter is imme diately reset by pressing switch Detailed setting of production volume management function F101 F102 When switch is held pressed for three seco...

Страница 25: ...witch Caution If the setting No is moved forward or backward the pre vious or subsequent content of the setting is confirmed Be care ful when the content of a setting is changed when the switch is touched Example Changing the maximum num ber of revolutions setting No 96 Press switch or switch to call setting No 96 The current set value is displayed on indicator Ⓑ Press switch to change the setting...

Страница 26: ...n panel Operation confirmation sound for operation panel 0 Operation confirmation sound is not generated 1 Operation confirmation sound is generated 0 1 1 1 1 28 12 Optional switch function selection Switching of function of optional switch Refer to III 8 Detailed explanation of selection of functions p 28 1 2 o P T _ 29 13 Function of prohibiting start of the sewing machine by bobbin thread count...

Страница 27: ...f lifting presser foot by pedal Position where the cloth presser starts lifting from pedal neutral position Pedal stroke 60 to 10 0 1mm 4 1 2 1 42 Starting position of lowering presser foot Starting position of lowering presser foot Stroke from the neutral position 8 to 50 0 1 mm 4 2 1 0 43 Pedal stroke 2 for starting thread trimming Position 2 where the thread trimming starts from pedal neutral p...

Страница 28: ...op of the sewing machine at the time of completion of reverse feed stitching at the start of sewing 1 Provided with the function of temporary stop of the sewing machine at the time of completion of reverse feed stitching at the start of sewing 0 1 6 0 0 35 64 Change over speed of condensation stitch or EBT end back tack Initial speed when starting condensation stitch or EBT 0 to 250 sti min 6 4 1 ...

Страница 29: ...ue of the machine head 9 5 d L 8 7 96 Max number of rotation setting Max number of rotation of the sewing machine head can be set The MAX value differs by machine head 150 to MAX sti min 9 6 4 0 0 0 37 100 Number of stitches sewn before thread clamp works at the beginning of sewing Sets the number of stitches to be sewn at the beginning of sewing before the thread clamp solenoid CN36 7 starts oper...

Страница 30: ...6 When the control panel is used the function subtracts from the predetermined value and indicates the used amount of bobbin thread For the details refer to the instruction manual for the control panel 0 Bobbin thread counting function is not operative 1 Bobbin thread counting function is operative Caution If 0 is set the LCD indication on the control panel will go out and the bobbin thread count ...

Страница 31: ...re displayed alternately on indicator Ⓑ Refer to the separate table for the relation between the signal output num bers and the connector pin configuration Example To assign the thread trimming function to the input function setting connector indication number i01 CN36 4 1 Select function setting No 12 with the operating procedure of function setting procedures 1 through 3 2 Select the item of in ...

Страница 32: ...edal Rotation by pedal is prohibited 11 TinH Function of prohibiting thread trimming output Output of thread trimming is prohibited 12 LSSW Low speed command input This function works as low speed switch for standing sewing machine 13 HSSW High speed command input This function works as high speed switch for standing sewing machine 14 USW Needle lifting function UP stop motion is performed when sw...

Страница 33: ...n demanding command state is output 13 TSWo Tsw command monitor output Thread trimming command status is output Input function setting connectors Output function setting connector Connector No Pin No Display No Initial value of function setting CN36 4 i01 noP No function setting CN48 2 i02 SFSW Safety switch input CN50 12 i03 SoFT Soft start speed limit input CN36 5 i04 bT Reverse feed stitching s...

Страница 34: ...ly lowered it is automatically lifted at the second neutral position after it has come off the neutral position once 0 off Function of neutral automatic presser lifting is not operative 1 on Selection of function of neutral automatic presser lifting Needle up down switch function changeover function Function setting No 22 The needle up down switch function can be changed over between the needle up...

Страница 35: ... depressing front part of the pedal automatic thread trimming is performed after reverse feed stitching as many as the number of stitches specified by the function setting No 31 has been performed 1 1 1 When operating touch back switch at the time of either stop of the sewing machine or depressing front part of the pedal automatic thread trimming is per formed after reverse feed stitching as many ...

Страница 36: ...everse feed stitching at the start of sewing Function setting No 51 On timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit of angle 5 1 1 0 Adjusting range 36 to 36 1 10 Compensation of off timing of solenoid for reverse feed stitching at the start of sewing Function setting No 52 Off timing of solenoid for reverse feed stitching at the start of sewi...

Страница 37: ...t provided Presser foot does not automatically go up after thread trimming 1 on Function of automatically lifting the presser foot is provided Presser foot automatically goes up after thread trimming Reverse revolution to lift the needle after thread trimming Function setting No 56 This function is used to make the sewing machine rotate in the reverse direction after thread trimming to lift the ne...

Страница 38: ... speed at the time of completion of reverse feed stitching at the start of sewing Normal use depending on the pedal condition Speed is accelerated to the highest without a break This function is used when temporary stop is used properly Cuff and cuff attaching 0 Speed is not reduced 1 Speed is reduced Sew without stopping without a break Temporary stop 4 9 4 1 0 7 0 0 9 2 0 7 3 1 Function of pedal...

Страница 39: ... Function setting No 120 Main shaft reference angle is compensated Setting range 60 to 60 1 UP position starting angle compensation Function setting No 121 Angle to detect UP position starting is compensated Setting range 15 to 15 1 DOWN position starting angle compensation Function setting No 122 Angle to detect DOWN position starting is compensated Setting range 15 to 15 1 Continuous stitching o...

Страница 40: ...de pressed Warning sound blips and the correct compensation value is not displayed 2 If any display 0 or 8 other than a numeric value appears on indicator Ⓑ refer to the Engineer s Manual Ⓑ Ⓐ 3 Turn OFF the power switch and turn ON the power switch again to return to the normal mode Caution Be sure to re turn ON the power switch when one or more seconds have passed after turn ing it OFF If the ON ...

Страница 41: ...resser foot is not automatically lifted when pro grammed stitching is completed Solenoid drive display 33V Air drive display 24V Caution 1 To perform re turning ON of the power be sure to perform after the time of one second or more has passed If ON OFF operation of the power is performed quickly setting may be not changed over well 2 Auto lifter is not actuated unless this function is properly se...

Страница 42: ...cators when turning the power ON 5 When you carry out steps 1 to 3 in repetition KEY LOCK is not displayed when turning the power ON and the key lock function is rendered ineffective KEY LOCK display when turning the power ON Display appears The key lock function is effective Display does not appear The key lock function is ineffective 13 Connection of the pedal of standing work machine 1 Connect ...

Страница 43: ...is at LOW position DC5V 5 DDET N Output L is output when needle bar is at UP position DC5V 6 HS N Output Rotation signal 45 pulses rotation DC5V 7 BTD N Output L is output when the back tack solenoid works DC5V 8 TRMD N Output L is output when the thread trimmer solenoid works DC5V 9 LSWO P Output Rotation request pedal or the like monitor signal DC5V 10 S STATE N Output L is output when the sewin...

Страница 44: ...ng No 3 The automatic thread trimmer is activated after the detection of the material end 0 Automatic thread trimming is not carried out 1 Automatic thread trimming is carried out The number of stitches after the activation of the material end sensor function setting No 4 The number of stitches to be sewn until the sew ing machine stops after the material end sensor has detected the material end c...

Страница 45: ...al sensor p 38 2 When you carry out the aforementioned operation the machine head adjustment values are also initialized It is therefore necessary to carry out adjustment of the machine head before using the sewing machine Refer II 6 Adjusting the machine head direct drive motor type sewing machine only p 14 3 Even when this operation is performed the sewing data set by the operation panel can not...

Страница 46: ... fuse after LED has totally gone out 5 Be sure to use a fuse with the designated capacity 3 15 A 250 V Time lag fuse Power circuit protective fuse Part number KF000000080 6 Install the control box on the table stand Refer to II 1 Installing to the table p 1 7 Connect all the cables to the control box Refer to II 3 Connecting the cords p 4 8 Fit the connecting rod back in place Refer to II 4 Attach...

Страница 47: ...to lifter device is attached Auto lifter function is OFF Select FL ON by auto lifter function selection Pedal system is set to KFL system Change the jumper to PFL setting to lift the presser foot by depressing the back part of the pedal Cord of auto lifter device is not con nected to connector CN37 Connect the cord properly Touch back switch fails to work Presser foot is going up by auto liter dev...

Страница 48: ...he setting of the machine head Check the setting of the motor pulley E004 Synchronizer lower position sensor failure E005 Synchronizer upper position sensor failure E007 Overload of motor When the machine head is locked When sewing extra heavy material beyond the guarantee of the ma chine head When the motor does not run Motor or driver is broken Check whether the thread has been entangled in the ...

Страница 49: ...age full the stored pieces of data will be erased from the earliest one Output the data E220 Grease up warning When the predetermined number of stitches has been reached Replenish the specified places with grease and reset For the details refer to the data of the machine head E221 Grease up error When the predetermined number of stitches has been reached and the sewing is not possible Replenish th...

Страница 50: ...on failure Solenoid is not changed over to holding motion Check whether the solenoid is abnormally heated CTL circuit board asm Circuit is bro ken E810 Solenoid current ab normality Solenoid rare short circuit Solenoid resistance E811 Abnormal voltage When voltage higher than guaran teed one is inputted 200V has been inputted to SC 921 of 100V specifications JA 220V is applied to 120V box CE 400V ...

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