Global BM 345 Скачать руководство пользователя страница 6 | Manualshive

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13. Warning instructions given in the operating instructions that pertain to

especially dangerous parts of the machine must be indicated at these
positions using a safety symbol.

Warning instructions given in the operating instructions that pertain to
special injury hazards for operating personnel or technicians must be
indicated at these positions using a safety symbol.

It is essential that you observe and follow these instructions as well as the
generally valid safety regulations.

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Содержание BM 345

Страница 1: ...PRODUCED BY INDUSTRIAL SEWING MASCHINES BM 345 Mechanic s Instrutions ...

Страница 2: ...2 ...

Страница 3: ...r 13 2 7 1 Assembly 13 2 7 2 Adjusting the needle stroke figure 5 figure 6 and figure 8 14 2 8 Loop stroke 16 2 8 1 Adjusting the loop stroke 16 2 9 Gripper 17 2 9 1 Removal and installation of the gripper shaft 17 2 9 2 Gripper deflection figure 7 17 2 9 3 Adjusting the gripper figure 8 18 2 10 Transporters 19 2 10 1 Adjusting the transporter figure 9 19 2 11 Transport brackets 20 2 11 1 Adjustin...

Страница 4: ...4 ...

Страница 5: ...on locks always wait until the motor comes to a standstill 5 General maintenance tasks may be carried out only by properly trained persons in accordance with the operating instructions 6 Repair work retrofitting and maintenance may be carried out only by technicians or specially trained personnel 7 When servicing or repairing pneumatic equipment the machine must be disconnected from the pneumatic ...

Страница 6: ...hese positions using a safety symbol Warning instructions given in the operating instructions that pertain to special injury hazards for operating personnel or technicians must be indicated at these positions using a safety symbol It is essential that you observe and follow these instructions as well as the generally valid safety regulations ...

Страница 7: ...ass designations machine number and initial basis for descriptions The operating side of the machine is the initial basis for left right descriptions The class designation type and machine model numbers are fastened to the rear of the machine case This data is also noted on the front cover page of the operating instructions 2 3 Applications of the machine The BM345 is especially suitable for blind...

Страница 8: ... 8 mm adjustable Stitch type Single thread chain stitch blind stitch Interval 1 2 connectible Needle system STROBEL 1669 EEO Needle thickness 60 70 80 90 Needle system optional STROBEL 4669 EEO Needle thickness 65 80 90 Thread recommended Polyester continuously twined Thread thickness recommended 120 2 200 Stitch type 103 Operating noise Avg SPL at measurement surface for stitch number n 2200 min ...

Страница 9: ...ing finger 1 5 0 5 mm Ball pin to needle shaft 2 0 5 mm Slit in ball pin approx 15 Gripper deflection 18 0 5 mm Contact pressures Transport bracket Left 12 N Right 12 N Material support arm 140 N measured at presser shaft Presser contact 6 N Transport length approx 5 8 mm Airing value between needle plate and transport brackets approx 13 mm Airing value between needle plate and presser approx 10 m...

Страница 10: ... at the factory and can be easily exchanged in their entirety When replacing needle guide s the adjusting dimensions must be rechecked using a dial gauge After removing the needle lever the dial gauge is inserted into the needle shaft and by turning the handwheel touches the surface of the needle guide 2 6 1 Removing the needle plate 1 Switch off the machine electrically 2 Remove the needle and ne...

Страница 11: ...e radius of 41 3 mm should be 0 03 to 0 05 mm larger At the needle slide plate it should be 0 01 mm smaller to 0 01 mm larger and at the right needle guide it should be 0 06 to 0 08 mm larger The adjustment must be made using a dial gauge Deviations lead to significantly poorer sewing results and may even cause preliminary damage or wear to the the sewing tools Figure 1 2 6 4 Replacing the needle ...

Страница 12: ...e needle plate check whether the cloth retainer 7 figure 3 lies centrally on the presser This is particularly important for roof shaped pressers cloth retainers to ensure that the material is optimally held during sewing Figure 2 Figure 3 Cloth retainer_adjusting_02 ...

Страница 13: ...cally Remove screw 10 figure 5 move the thread feeder and remove the needle lever During installation please ensure that the needle runs through the centre of the needle groove and the needle tip is flush with the left needle guide figure 4 Figure 4 Needle lever_assembly_01 ...

Страница 14: ...e ball pin 2 shown in figure 5 can be adjusted using a slotted screwdriver In the horizontal position insert the ball pin so that the slot of the ø6 bolt stands vertically beneath the ø7 bolt Rotating it clockwise will result in a larger needle stroke while turning it in the opposite direction will create a smaller needle stroke The distance between the ball pin and needle shaft is 2 0 5 mm After ...

Страница 15: ...15 Figure 5 Figure 6 ...

Страница 16: ...od Loop stroke becomes larger Thread slope 0 5 mm per rotation The following steps are required to rotate the head of the connecting rod figures 5 and 6 1 Unscrew the fillister head screw 9 figure 5 and push the gripper forwards 2 Remove the nut 5 figure 5 from the gripper shaft 3 Remove the cylinder head screws 4 figure 5 from the head of the connecting rod 3 figure 5 4 Remove the adjusting ring ...

Страница 17: ...the fastening surface of the gripper lies within the chuck and is fully inserted Tighten the fillister screw 9 2 9 1 Removal and installation of the gripper shaft After removing the gripper and loosening the adjusting rings 8 figure 5 and 3 figure 6 the gripper shaft can be removed together with the ball joint lever 7 figure 5 2 9 2 Gripper deflection figure 7 The gripper deflection is 18 0 5 spec...

Страница 18: ...arge gripping finger to the eye of the needle should be 1 5 0 5 mm figure 8 On the left side where the loop is released the needle must pass centrally in between the two gripping fingers These values can be adjusted by turning and moving the adjusting cam 6 figure 6 and rotating the gripper shaft against the head of the connecting rod 3 figure 5 Check the gripper movement by carefully turning the ...

Страница 19: ...the machine electrically 1 Set the stitch length to 8 mm 2 Clamp down the transporter so that it lies parallel to the needle plate and the lower part of the tooth protrudes beneath the bottom of the needle plate It must not collide with the sides of the needle plate opening amd should be set forwards as far as possible towards the needle Clamp a piece of paper with 0 2 mm to the tip of the needle ...

Страница 20: ...essure can be adjusted using separate screws for each stand on the upper side of the material support arm 2 11 2 Adjusting the airing for the transport bracket figure 9 The transport stands are pressed backwards when airing the material support arm The adjustable eccentric bolts serve as stops 5 In the upper position of the material support arm there must be approx 2 mm between the lever and bolts...

Страница 21: ... 24 5 mm 2 12 1 Replacing the presser shaft figure 10 1 Unscrew the material support arm extension 2 2 Remove the clamping screw 1 3 Remove the adjusting ring 5 and pull out the presser shaft Installation in reverse order Readjust the pressure of the left transport bracket 12 N Set the presser shaft until it is free of backlash Figure 10 ...

Страница 22: ...cording to figure 11b for thick materials and figure 11c for thin materials The presser is situated in the centre of the needle plate opening and is usually offset by 1 mm to the left of the needle shaft s centre Just before the needle stitch is inserted it must be at a standstill when the tip of the needle is approx 2 5 mm away Figure 11 ...

Страница 23: ... pin 6 figure 12 The material support arm must be adjusted to have no axial backlash 2 13 Interval gear figure 12 Every second rotation interval gear 1 2 lowers the material support arm presser by the value given by the interval stroke control 2 13 1 Setting the interval gear figure 12 CAUTION Switch off the machine electrically 1 Set the stitch depth until the desired stitching results are achiev...

Страница 24: ...24 Figure 12 ...

Страница 25: ...Global International BV Hendrik Figeeweg 4 2031 BJ Haarlem Holland Phone 31 23 531 95 84 Fax 31 23 531 10 22 E Mail info globalsew com E Mail globalparts planet nl www globalsew com ...

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