Multiple Ejector Assembly

Tools or Equipment Preparation 1) Belt tension meter 

2) Grease

3) Gram Gauge 5~50 Gram 4) Gram Gauge 10~100 Gram 5) Gram Gauge 50~500 Gram

6) Allen Keys (Metric) include 1.0mm one 7) Spanner 

8) Hook  9) Shim Paper  10) Loctite# 222

 Assembly Procedures

1) Clean all the part and cross roller ways with alcohol and dustless paper.

2) Add some anti-rusting grease on the cross roller way and appropriate grease on the cross roller.

3) Add small amount of loctite# 222 on set screws and lock screws.

4) Use 10 M3X10 screws with springs to mount the Cross Roller Way CRW2-75 (inner   part) onto the (EJ) X-Plate Offset Knob as in Figure 2-96.

Figure 2-96 Install the Cross Roller Way onto the X Plate

Figure 2-97 Install the Fixed and Adjustable CRW

5) Use 5 M3X16 screws with springs to mount the Fixed Cross Roller Way CRW2-75 on the left hand side of the (EJUD) Ejector Base Offset Knob. And put the together  with the adjustable CRW on the right and use 5 M3X16 screws with springs to fix its  position as in Figure 2-97.

Figure 2-98 Adjust the set screw to get the correct sliding force

6) Use 5 M3X6 set screws to adjust the sliding force of around 200~600g as in Figure 2-98. After adjusting the sliding force, tighten the lock screw with torque at 20kgfcm.

Figure 2-99 Install the CRW onto the X-Adjust Screw and Y-Block Assy.

7) Use 6 M3X10 screws with springs to mount the Cross Roller Way G2-45 (inner) onto the (EJ) X-Adj. Screw and Y-Block Assy as in Figure 2-99.

8) Install springs and leadscrew at the ejector base as shown in Figure 2-100.

Figure 2-100 Install the spring and leadscrew

Figure 2-101 Install the fixed and adjustable CRW

9) Use 3 M3X8 screws with springs to mount the Fixed Cross Roller Way G2-45 onto one side of the (EJ) X-Plate Offset Knob. Then, put together the (EJ) X-Adj. Screw and Y-Block Assy. with the adjustable Cross Roller Way G2-45 on the other side and use 3 M3X8 screws with springs to fix its position as in Figure 2-101.

10) Use 3 M3X6 set screws to adjust the sliding force of around 200~600g as in Figure 2-102.

Spring

Leadscrew

Figure 2-102 Adjusting the sliding force by these 3 set screws

11) Use 2 M4X16 screws with springs to mount the (EJ) X-Adj. Screw onto the Y-Block  Assy. as in Figure 2-103

Figure 2-103

12) Insert the (EJ) Y-Adj. Screw with 2 springs mount onto the (EJUD) Ejector Base as in Figure 2-104.

Figure 2-104

13) Use 2 M3X10 screws with springs to mount the Nut Assy. onto the (EJUD) Ejector  Base as in Figure 2-105.

Figure 2-105

14) Use 2 M4X16 screws with springs to mount the (EJ) Y-Adj. Screw onto the (EJUD) Ejector Base as in Figure 2-106.

Figure 2-106

15) Use 6 M4X12 screws with springs to mount the Cross Roller Way 3-75 (inner) onto the (EJ) Z-Base as in Figure 2-107.

Figure 2-107 Mount the CRW onto Z-Base Figure 2-108 Check the sliding force

16) Use 6 M4X12 screws with springs to mount the Cross Roller Way 3-75 (outer) to the (EJ) Z-Slide Plate. Use 3 M4X8 set screws to adjust the sliding force of around 65~85g as in Figure 2-108.

Figure 2-109 Up/down control CRW assy Figure 2-110 Adjust the set screw for the sliding force

18) Use 2 M4X12 screws with springs to mount the (EJ) Up/Down Wedge (Figure 2-111) to the Cross Roller Way CRWM 3-50 (inner) as in Figure 2-112.

Figure 2-111 Up-down wedge Figure 2-112

19) Insert the (EJ) Up/Down Sensor with Cylinder Module to the (EJ) Up/Down Wedge and lock the 2 nuts as in Figure 2-113.

Figure 2-113 Lock the cylinder module

20) Use 4 M5X18 screws with spring to mount the (EJ) Z-Base to the (EJ) X-Adj. Screw and Y-Block Assy.

Figure 2-114 Mounting the Z-Base

21)

21) Use 2 M5X10 screws with springs to mount the (EJ) Up/Down Sensor with Cylinder Use 2 M5X10 screws with springs to mount the (EJ) Up/Down Sensor with Cylinder  Module to the (EJ) Z-Base as in

Module to the (EJ) Z-Base as in Figure 2-115.Figure 2-115.

Figure 2-115 Lock the cylinder  Figure 2-115 Lock the cylinder 

22)

22) Assembly the ejector pin (sliding base) module and mount to the Column Body fromAssembly the ejector pin (sliding base) module and mount to the Column Body from Figure 2-116 to Figure 2-121. Adjust the cross roller ways sliding force to 18-25gf.

Figure 2-116 to Figure 2-121. Adjust the cross roller ways sliding force to 18-25gf.

Put some grease on the shaft and

Put some grease on the shaft and around the O-ring.around the O-ring.

Figure

Figure 2-116 2-116 Figure Figure 2-1172-117

Figure

Figure 2-118 2-118 Figure Figure 2-1192-119

Figure

Figure 2-120 2-120 Figure Figure 2-1212-121

Figure 2-122 Install the cam shaft Figure 2-122 Install the cam shaft

24)

24) Use 2 M3X8 flat screws to mount the (EJ) Fork Sensor Mount onto the (EJ) ColumnUse 2 M3X8 flat screws to mount the (EJ) Fork Sensor Mount onto the (EJ) Column Body as in Figure 2-123.

Body as in Figure 2-123.

Figure 2-123 Mount the sensor on the column body Figure 2-123 Mount the sensor on the column body

25)

25) Use 4 M3X6 screws with springs to mount Use 4 M3X6 screws with springs to mount the Cover to the (EJ) Column Body the Cover to the (EJ) Column Body as inas in Figure 2-124.

Figure 2-124.

Figure

Figure 2-124 2-124 Mount Mount the the cover cover Figure Figure 2-125 2-125 Mount Mount the the Top Top FlangeFlange

26)

26) Use 3 M3X6 screws with springs to mount (EJ) Top Flange onto the (EJ) ColumnUse 3 M3X6 screws with springs to mount (EJ) Top Flange onto the (EJ) Column Body as in Figure 2-125.

Body as in Figure 2-125.

27)

27) Put on the (EJUD) MP Ejector Kit over the (EJ) Top Flange and use 2 M4X5 setPut on the (EJUD) MP Ejector Kit over the (EJ) Top Flange and use 2 M4X5 set screws to fix it as in Figure 2-126.

screws to fix it as in Figure 2-126.

Figure 2-126 Put on MP Ejector Kit Figure 2-126 Put on MP Ejector Kit

28)

28) Use 4 M4X14 screws with springs to mount the (EJ) Column Body to (EJ) Z-SlideUse 4 M4X14 screws with springs to mount the (EJ) Column Body to (EJ) Z-Slide Plate as in Figure 2-127

Plate as in Figure 2-127 and Figure 2-128.and Figure 2-128.

Figure

Figure 2-127 2-127 Figure 2-128 Figure 2-128 Mount Mount the the column column body body to to Z-Slide Z-Slide PlatePlate

29)

29) Use 2 M3X5 set screws to Use 2 M3X5 set screws to mount the (EJ) Driven Pulley (AT3/40) to the mount the (EJ) Driven Pulley (AT3/40) to the Cam Shaft.Cam Shaft.

30) Use 2 M4X12 screws with springs and 2 M4X6 flat screws to mount the (EJ) Motor  Mount (Servo) to the (EJ) Z-Slide Plate as in Figure 2-130.

31) Use 4 M4X14 screws with springs to mount the (EJSV) 8912 Electrical Assy. to the (EJ) Motor Mount (Servo). Note: New module will equip with servo motor instead of  stepper motor as in Figure 2-131.

Figure 2-131 Mount the motor 

32) Align the pulleys with timing belt so that they are parallel with each other.

33) Adjust the timing belt tension until the belt tension meter reading is from 230-300Hz.(note: If you have no belt tension meter, you may use a cable tie round on the motor body and pull it with 5 to 6 kg force and then tighten the screws).

34) Install all other ejector parts as Figure 2-132 and Figure 2-133.

Figure 2-132 Ejector table (1) Figure 2-133 Ejector table (2)