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Part 5 Chapter 2 Cam Box Edition 1.2 5-2-3 CP-6-series Mechanical Reference 2.2 Timing Belt T ension Adjustment (Cam Box) W ARNING • Always be sure to cut off the main power before carrying out any work. • Exercise extre…

Part 5 Chapter 2 Cam Box

Edition 1.2 5-2-2 CP-6-series Mechanical Reference

iii) Using the handle, turn the cam counterclockwise (0°-› 360°). Check to see

when the dial gauge begins to move from 0. If the dial gauge begins to move

at 53°, (CP 6-4000 types)/75° (CP 6-5000 types) the cam position is correct. If

it is hard to see the movement of the dial gauge , continue until the gauge

moves 0.2 mm. If it moves at 68°, it is correct. (For CP 6-4000 type)

5. Cam B position check

i) Check the cam position using the station 1 waste tape cutter lever.

ii) Using the handle, turn the cam to 203°. At this point set the dial gauge on the

waste tape cutter.

iii) If the cam is at its lowest point at 203°, the cam gauge is correctly installed.

6. Turn cam axis B to 0°. At this time, if cam axis A is also 0°, cam axis A and cam

axis B are synchronized. Cam axis offset must be within 2°.

7. The nozzle index unit begins to turn after 253°. Using the handle, turn to 253° and

stop. At this position, turn the nozzle index unit input axis until it begins to

engage. At the position where it engages, set the mechanical locking ring to lock

this position.

8. The theta index unit begins to turn after 299° (4000 type)/293° (5000 type). Using

the handle, turn to 299°/293° and stop. At this position, turn the theta index unit

input axis until it begins to engage. At the position where it engages, set the

mechanical locking ring to lock this position.

Note: When synchronizing the cam axes, be careful because the index unit sometimes turns

unpredictably.

Part 5 Chapter 2 Cam Box

Edition 1.2 5-2-3 CP-6-series Mechanical Reference

2.2 Timing Belt Tension Adjustment (Cam Box)

WARNING

• Always be sure to cut off the main power before carrying out any

work.

• Exercise extreme caution when working on the machine if the cam is

not at its origin (0 deg.). Recoil of the cam axis can endanger the

operator.

<4000 Type>

There are four timing belts in the cam box. With a finger flick the center of the timing

belt to start it oscillating. Measure the oscillation with a frequency meter and compare

the readout with the stipulated frequency values. The belt's frequency of oscillation can

be adjusted using the jack bolt.

Adjustment procedure

First, adjust the tension of the belt (b) between the central axis and nozzle index unit.

Through using the adjustment bolt and moving the central axis, the tension changes. At

this time, make sure that there is no tension on belts (a) and (d).

Next, adjust belts (a), (c), and (d) using the tension pulley. Refer to figure below for belt

location and the figure on the following page for tension values.

Motor

Adjusting bolt

(a)

(b)

(c)

(d)

CP6M5006

Part 5 Chapter 2 Cam Box

Edition 1.2 5-2-4 CP-6-series Mechanical Reference

• When measuring belt tension, make certain to set the tension pulley.

• Belts (c) and (d) are a set of two belts. Be sure to synchronize them.

• Even though belts (c) and (d) are a set, measure them one by one.

<5000 Type>

There are five timing belts in the cam box. With a finger, flick the center of each timing

belt to start it oscillating. Measure the oscillation with a frequency meter and compare

the readout with the stipulated frequency values. The belts frequency of oscillation can

be adjusted using the jack bolt.

Motor

Adjusting bolt

(e)

(a) (b)

(c)

(d)

CP6M5008

198 ±5Hz

83.5 ±5Hz

112 ±5Hz

72 ±5Hz

(a)

(d)

(c)

(b)

CP6M5007