Round-belt Driving
Roller Conveyor

RINGLERⓇRAD
OPERATING AND SERVICE MANUAL

1

Thank you very much for purchasing our Round-belt Driving Roller Conveyor
RINGLERⓇ. To use the machine properly, please read this operating and service
manual carefully before use. Keep the manual where the machine is installed, sothat it may be referred to when needed.

TABLE OF CONTENTS
1．Caution When Handling ………………………………………… 4
2．Structure ……………………………………………………………… 8
3．Component Names ………………………………………………… 9
4．Assembly ……………………………………………………………… 11
5．Running the Conveyor …………………………………………… 14
6．Carrying Roller ……………………………………………………… 15
7．Round Belt Replacement ………………………………………… 16
8．Inspection and Maintenance …………………………………… 172

Upon delivery of this product, please check the package contents to ensure theproduct matches your order. If the delivered items do not match your order, pleasecontact our local agent directly before use.
Attachments (Spare parts)
Magic ring...........2 pieces

Manufacturer’s serial number(refer to this number when contacting us)
Serial number and model label(affixed to drive cover)［ Example ］
Date of production 20□□.□□JOB № □□－□□□□□－□□□－□□
RAD-501030（C07-3A15） 1/6 ，M＝□□Reduction
gear ratio

RAD

–

50

10

30 （

C

07

–

P＝□□

Number of drive sprocket teeth

3

A15

）

Conveyor model code
Nominal speed in m/min(eg 50Hz 15m/min)
NOTE: For variable-speed type,maximum speed is shown.

Nominal roller width in cm(eg 50cm)

Frequency

Code

50Hz

A

60Hz

B

Roller pitch in cm(eg 10cm)

Power source type(eg 200V three-phase)

Machine length in dm(eg 30dm=3.0m)

Motor type(eg Constant speed)Motor type

Code

Constant speed

C

Inverter variable speed

F

Power source type

Code

200V three-phase

3

other

0

Motor output(eg 0.75kW)
Motor output

Code

0.4kW

04

0.75kW

07

1.5kW

15

3

1

CAUTION WHEN HANDLINGFOR YOUR SAFE USAGE

A. Prior To Use

CAUTION : Improper handling of the conveyor may result in physical injury or damage!
■Transport and assembly
When transporting and assembling the conveyor, pay special attention not to drop it in order toavoid physical injury or damage. When lifting by crane, pay attention to the balance of the conveyor.
■Earth and leakage breaker
Ensure the conveyor is connected to earth at all times to prevent electric shock. Also ensure thatan earth leakage breaker is connected to the power supply.
■Emergency stop
Install an emergency stop device to immediately stop the conveyor in emergency.
■Start alarm
If it is not possible to supervise the operation of the full length of the conveyor from the operating
position, install a start alarm for increased safety.
■Keep the conveyor dry at all times
Do NOT use the conveyor in wet or humid areas. Do NOT splash liquids onto the conveyor. Do
NOT use or leave the conveyor outdoors. The machine is not waterproof. Do NOT touch electricalparts with wet hands.
■Do NOT use in an explosive atmosphere(Avoid explosive gas, explosive dust, etc.)□ When using in a high or inclined position:■Lower cover and guard
Install the optional lower cover or guard in order to prevent entry under the conveyor.
■Guide rail, top and side covers
To prevent objects from falling off the conveyor, install the optional guide rail, top and/or side
covers.
■Braking system
When using the conveyor on an incline, it is recommended that an optional braking system beinstalled, in order to prevent reverse or other incorrect running of the conveyor.
■Environmental conditions
Ambient temperature：0℃ to +40℃
Ambient humidity：RH 90% max(Avoid condensation)
Atmosphere：Indoor(Avoid corrosive gases, dust, etc.)
Elevation：1,000m or less
NOTE：
●Using the conveyor in a strong electric field (eg near broadcasting devices or high- frequency welding
machinery/equipment) could cause the conveyor to malfunction. In this case, install the conveyor at a
sufficient distance. Alternatively shield completely to avoid any interference with the conveyor.
●Using an inverter to this machine could cause other machines to get effects of high-frequency. In thiscase, install the conveyor at a sufficient distance or shield completely.

4

B. During Operation

WARNING：Improper handling of the conveyor could result in serious physical injury or damage!
■Do NOT touch the conveyor when it is running
There is considerable risk of being caught and injured by the conveyor.
■Do NOT ride on or climb on the conveyor／Do NOT go under the conveyor
There is considerable risk of falling or being caught and injured by the conveyor.

CAUTION：Improper handling of the conveyor may result in physical injury or damage!
■Beware of entanglement
When working close to the conveyor, take care not to get caught in the conveyor. There isconsiderable risk of being injured by the conveyor.
■Do NOT remove safety covers
There is a risk of getting caught in the rotating parts such as pulleys. Only remove in case ofmaintenance or inspection.
■Do NOT start the conveyor while it is loaded
The motor may become damaged due to overload. Additionally, the motors of variable-speed type
machines may burn out as a result of running at excessively low speeds forlong periods. Use the conveyor within the specifications, indicated in the instructions for use, andin the catalogue.
■Do NOT apply force to ends of conveyor
Do NOT press down on, or hang off the sides of the conveyor. Injury may result from a toppling
conveyor.
■Secure the conveyor to the floor/ground
When using the conveyor, be sure to secure it to the floor/ground with anchor bolts etc. toprevent it from toppling irrespective of indoor use or outdoor use.

C. After Use

CAUTION：Improper handling of the conveyor may result in physical injury or damage!
■Switch off the power after use
Ensure that the power is switched off when carrying out relocation, inspection, cleaning, etc. of
the conveyor, otherwise there is a risk that the conveyor could start unexpectedly. When leaving
the conveyor unused for a long period, take plug out of the outlet /connector to prevent electric
shock or leakage.

NOTE：1. Always use in accordance with the Occupational Safety and Health Act.
2. If the owner modifies the conveyor, any ill effects will fall outside the conditions of the guarantee.

5

■ WARNING LABELS etc. AND ATTACHMENT POSITIONS
For standard machines, warning labels etc. and their attachment positions are as follows:

1. WARNING LABELS
LabelLabel classification

DANGER

DB-3

Instruction■ DO NOT PASS UNDER THE CONVEYOR
There is considerable risk of falling or being caught andinjured by the conveyor.

DC-2■ KEEP HANDS OUT WHILE MACHINE IS RUNNING
There is considerable risk of being caught and injured by theconveyor.
■ DO NOT CLIMB ON CONVEYOR
There is considerable risk of falling or being caught andinjured by the conveyor.

WARNING

CA-2■ ALWAYS CONNECT TO EARTH
Ensure the conveyor is connected to earth at all
times to prevent electric shock.
■ DISCONNECT POWER BEFORE SERVICING
Ensure that the power is switched off when carrying out
relocation, inspection, cleaning, etc. of the conveyor,
otherwise there is a risk that conveyor may start
unexpectedly.

CF-2■ DO NOT GET CAUGHT IN MACHINE
When working close to the conveyor, take care not to getcaught in it. There is a risk of being injured by the conveyor.

CG-2■ DO NOT GET CAUGHT IN MACHINE
When working close to the conveyor, take care not to getcaught in it. There is a risk of being injured by theconveyor.
■ DO NOT OPERATE WITHOUT GUARDS IN PLACEDo NOT remove safety covers etc. There is a risk of gettingcaught in the rotating parts such as pulleys. Only remove incase of maintenance, inspection, etc. unexpectedly.

6

2. ATTACHMENT POSITIONS OF WARNING LABELS etc.

7

2

STRUCTURE

RINGLER is driven by the round belts transmitting the driving power between the carrying rollers and theline shaft.
-Accumulation can be performed by the drive rings with slipping function.
-By removing some of the round belts, it is possible to reduce the line pressure or to stop conveying.

Side view of drive unit
Carrying roller

Round belt

Rotation
directionLine shaft

Drive ring
Drive chain

Drive sprocket

8

Geared motor

3

COMPONENT NAMES■ DRIVE UNIT
RAD model: Drive-mounted basic unit
Carrying roller

Drive ringLine shaft

Round belt driving section

Frame

Drive

Carrying roller

Fixed standDrive chain
Height adjustment bolt

Round belt

Apply oil to drive chain every
3 months or every 1,000
operating hours. When drive
chain is slackened off, take it
up by adjusting installation
position of motor.

Line shaft

Frame

Machine length

Roller width

Drive sprocket
Geared motor

Machine height

Inside of drive (without cover)■ STRAIGHT UNIT

■ CURVE UNIT

RAS model: Straight unit used interlocked with

RAC model: Curve unit used interlocked with

RAD model, having no drive

drive-mounted models, having no drive
RACD model: Drive-mounted curve unit

Line shaft

Universal joint
Frame

Drive
Line shaft coupling
Tapered carrying roller

9Machine width

Roller pitch

■ CHANGING UNIT

■ RAISING UNIT

RAE model: Used to partly increase speed or

RAU mode: Used to partly raise conveyor

to change line-shaft

to make a passage etc.

arrangement at splitting/merging
point on line

Line shaft

HandleLine shaft

Line shaft

Line shaft interlocking device
DamperType R

Coupling flange
Type L

Hinge
Lock handle■ MERGING UNIT

Side view

RAJ model: Merging at 30°or 90°● 30°-merging typeLine shaft interlocking device
Line shaft

30°● 90°-merging typeLine shaft interlocking device

Type R

Line shaft

Universal joint

Line shaft

Type R
Type LLine shaft
Universal joint
Type L■ SPLITTING UNIT
RAB model: Switching direction of roller travel by 30°,
air-switching type or manual switching type

Splitting roller unit

Manual lever Line shaft interlocking device
Type R

Type L30°

Universal joint
Line shaft

10

4

ASSEMBLY
When removing provisional stands or installing stands, be sure to support theconveyor main body by plural people or crane etc. to prevent it from falling or

CAUTION

toppling, otherwise there is a risk of serious injury or accident.

INSTALLING STANDS (Stands are optional and delivered in separate packaging.)
1. Remove provisional stands for transportation. (See figure below.)
2. Referring to the tables below, install stands in intended positions.

Provisional stand for transportation

Stand■ Table of installation dimension

unit: mm

Machinemodel code
MachinelengthQuantity ofstands

P1

1.0 m

2

100

2.0 m

3

100

2000 or less

3.0 m

3

100

2000 or less

500

2000

Drive unit ( RAD model)

Maximumvalue

MachineCurve unit
model code (RACD /RAC model)
Quantity ofstands2

Straight unit ( RAS model)

P2

P3

Quantity ofstands

P1

P2

800

2

100

800

2

300

1400

2

500

2000

500

2000

1000 or less(800 or less)1000 or less(800 or less)
1000

Changing unit
(RAE model)

Raising unit
(RAU model)

Merging unit
(RAJ model)

Splitting unit
(RAB model)

2

1

3

3

NOTE:
1. Values in ( ) are for roller pitch of 50mm.
2. Values in tables are for single conveyor.
Except curve unit, when using some units
connecting, it is possible to reduce quantityof stands by installing stands at frame
joints.
3. Values in tables are for use withinmaximum conveying capacity.

P3
P1

P2 (Drive unit)
P2 (Straight unit)

P1

11

CONNECTING CONVEYOR UNITS

Bent

For machine exceeding 3m in length, it is delivered divided
into some units of 3m or less. In this case connect conveyor Not level
Lopsidedunits as follows:
1. Place conveyor units in intended positions.
2. Set conveyor units to intended height with height
Height adjustment bolt
adjustment bolts. (See middle right figure.) Make sure thatfull length of conveyor is level on top.
3. Remove adhesive tape temporarily fixing coupling resin chain. (Coupling pin fixed together with resin
chain will be used later. Be sure to keep it.)
4. Remove coupling resin chain from coupling sprocket.
5. Correctly set conveyor joint.

Adhesive
tape
Coupling
pin

Coupling resin chainLine shaft

Remove adhesive tape.

Coupling sprocket
Remove coupling resin chain.

Correctly set divided frames and line shafts and connect them.

6. Adjust clearance between coupling sprockets to approximately 7mm. (Loosen setting bolts foradjustment. Once adjustment is complete, retighten setting bolts.)
7. Fix frame connecting brackets with bolts.
8. Connect divided line shafts by setting coupling resin chain to sprockets. (Coupling resin chain can beeasily set to sprockets if the clearance made in step 6 is proper. Readjust it if difficult.)
9. Insert coupling pin removed in step 3 into coupling resin chain and fix it. (Insert coupling pin by gently
tapping with a wooden hammer etc. so that resin chain will not break.)Coupling resin chain
Frame connecting bracket

12

INSTALLING ATTACHMENT DEVICES(OPTIONAL)
For
attachment devices, install them by inserting nuts into frame slots. In this case insert nuts from frameend or use insert-able nuts (optional) which can be inserted from side of frame.

● Guide rails

eg G-SS2/G-SU2

eg G-A2B/G-P2FA/G-S2

Other optional devices:- Running scraper (RARS)- Traffic controller (RTFC)- Turn roller (RTR)- Stopper (RASTP)

13

5

RUNNING THE CONVEYOR

Start the conveyor after making sure of the items below.
Conveyor is correctly grounded:● Correctly connect earth wire, otherwise there is considerable risk of electric shock. Be sure to groundearth terminal (green) of power cable.
● Power source of RINGLER is 200V three-phase. Standard machine has only lead wire terminal of
motor. For constant speed type, switch etc. are not provided. When wiring, properly provide an earth
on motor or drive cover.
■Earth and leakage breaker
Ensure the conveyor is connected to earth at all times to prevent electric shock. Also ensure that an earth
leakage breaker is connected to the power supply.
■Emergency stop
Install an emergency stop device to immediately stop the conveyor in emergency.

■Start alarm
If it is not possible to supervise the operation of the full length of the conveyor from the operating position,
install a start alarm for increased safety.

Conveyor is correctly installed:
Confirm full length of frame is level on top, straight and not bent in any place. Improper
installation may cause unexpected accidents.
Conditions of rollers:
Check each roller for rotating conditions. Remove foreign substances if any. Replace with nondefective one if malfunctioning.
Loose or missing bolt and nut:
may cause parts to come off and frame to be twisted. Before starting the conveyor, retighten
each bolt and nut. Attach spare bolt and nut if there are any missing ones.
Breakage of connector:
may cause electric leakage or damage of motor. Replace broken connector with non-defectiveone.
Trouble of electrical wiring:
There is considerable risk of electric leakage or shock. Make sure that there is no exposedpart in electrical wiring.
Power source and voltage are correct:
Contact appropriate qualified specialists if not sure.
NOTE: For inverter variable speed type, also refer to instruction manual of inverter, appendix.

14

6 CARRYING ROLLER

CAUTION● Before starting procedures below, be sure to stop
conveyor and switch off power supply, otherwise
there is a risk of serious accident or injury byelectric shock, entanglement, etc.
● Pay attention not to pinch you fingers, hands, etc.

1. REMOVAL AND INSTALLATION OFCARRYING ROLLER(1) Remove roller retaining resin cover.
(2) Referring to the picture below, raise carrying
roller on opposite side of round belt.
(3) Pull carrying roller out of round belt in direction of arrow.
NOTE: Install carrying roller in reverse order. When installing, make sure thatroller rotation direction is correct.

2. CHANGING ROTATION DIRECTION OF CARRYING ROLLER(DIRECTION OF CONVEYING)● Normal rotation direction● Reverse rotation direction
Direction of conveying
It is possible to change rotation direction of carrying roller
Roller rotation
direction(direction of conveying) by changing setting direction of round Carrying roller
belt.
(1) Remove carrying roller and pull it out of round belt.
Round belt
(2) Set round belt depending on intended rotation direction ofcarrying roller, as shown in figure right.
Line shaft
Shaft rotation direction(3) Reinstall carrying roller to frame.
Drive ring
3. STOPPING CARRYING ROLLER
Stopper
By removing round belt, carrying roller becomes free roller(stopping roller) and it is possible to reduce conveying
capacity or line pressure.
(1) Remove intended round belt from carrying roller.
(2) Move removed round belt to line shaft bearing and fix it
Round belt Free roller
with adhesive tape etc.

Conveyed material

4. CHANGING ARRANGEMENT OF CARRYING ROLLERS
By setting carrying rollers diagonally, it is possible to movematerials to one side while conveying them.
(1) Remove carrying rollers.
(2) Loosen fixing bolts of shaft supports.
(3) Slide shaft supports to intended positions and re-fix
them.
NOTE: Keep in mind that carrying roller may come off orconveying malfunction may occur by resistance ofguide etc., depending on angle of carrying roller.

15

ROUND BELT REPLACEMENT

7

CAUTION
1. REPLACING WITH SPARE ROUND BELT
Spare round belt is attached between line shaft
bearings. (It has already been installed to line
shaft and attached on line shaft bearing.)(1) Remove round belt to be replaced. Between
spare round belt and its installation position,
remove all the round belts from carrying
rollers.
(2) Move spare round belt to installation position.
(3) Set all the round belt correctly.
NOTE:
1. Set round belts so that their rotation
directions will become correct. (See p.15.)
2. In early period of operation, round belts
occasionally look to be about to come offcarrying rollers. However this movement will
disappear as operating time becomes longer.

● Before starting procedures below, be sure to stop
conveyor and switch off power supply, otherwise
there is a risk of serious accident or injury byelectric shock, entanglement, etc.
● Pay attention not to pinch you fingers, hands, etc.

2. INSTALLING REPLACEMENT ROUND BELTFROM OUTSIDE OF CONVEYOR
Clearance Replacement round belt
(1) Remove coupling resin chain. (See p.12.)
installation position
Carrying roller(2) Remove round belt to be replaced. Between
Round belt
coupling sprocket and installation position of
replacement round belt, remove all the roundbelts from carrying rollers.
(3) Insert replacement round belt from clearance
between coupling sprockets. (If installation
position is over line shaft bearing, make
Drive ring
Coupling sprocket
Line shaft bearing
another clearance to pass replacement roundattachment bolt
Line shaft bearing
belt by removing attachment bolt from line
shaft bearing.)
Insert from clearance(4) Move replacement round belt to installation
Replacement round belt
between couplingsprockets.
position.
(5) If attachment bolt of line shaft bearing has
been removed, retighten it.
(6) Set all the round belt correctly.
3. USING MAGIC RING
Magic ring is a temporary part and used when spareround belt is not prepared. Since magic ring is not as
durable as round belt, use it only in emergency.
(1) In replacement position, set magic ring on drive ringand connect its both ends with a joint hook.
NOTE: Fully insert joint hook into ends of magic ringso that it will not come off.
(2) Confirm direction of conveying and set magic ring on
carrying roller.
(3) Reinstall carrying roller in initial position.

Set magic ring on drive ring.
Fully insert joint hook into
ends of magic ring.

End of magic ring
Carrying roller

Frame

Joint hook

Insert into
shaft support.

Magic ringLine shaft

16

Shaft
support

8

INSPECTION AND MAINTENANCE

8-1. PROBLEMS AND REMEDIESPROBLEMCAUSE

REMEDY

1. Conveyor does not(1) Power plug is not properly(1) Inspection, correctionrun.

connected to the mains.

(Conveyor cannot be(2) Power switch is not turned on.

(2) Inspection, correction

turned on.)(3) Inappropriate power source(3) Check power source. Change to correct
one if necessary.

(4) Disconnection or breakage in(4) Rewiring or repair

wiring
2. Carrying roller does

(1) Round belt has come off.

not rotate.

(1) Reset round belt. (Pay attention to
direction of conveying. see p.16)(2) Round belt is slipping in groove(2) Clean round belt and groove of carryingof carrying roller.

roller.

(3) Drive ring is slipping on line

(3) Clean line shaft by wiping with a dry

shaft.

cloth.

3. Line shaft does not(1) Coupling has come off.

(1) Reinstallation (see p.12)

rotate.

(2) Sprocket retaining key has(2) Reinstallation

come off.
4. Materials are not(1) Overload(1) Reduce load.

conveyed.

(2) Foreign substances on(2) Remove any foreign matter and clean

carrying rollers

carrying rollers.

5. Abnormal noise of(1) Drive chain has become loose(1) Adjust tension of drive chain and apply

drive unit

or worn.

oil.

(2) Installation condition of geared(2) Retighten attachment bolts.

motor has become loose.
(3) Foreign substances in drive(3) Remove any foreign matter and clean

unit

drive unit

6. Electric shock is(1) Static electricity has been

(1) Make inspection and investigation.

received fromcharged in conveyor.

Properly ground the conveyor. (see p.14)

conveyor.

(2) Electric leakage(2) Make inspection and investigation.
Properly ground the conveyor.

178-2. ITEMS FOR REGULAR INSPECTIONCHECKING

PART TO

THINGS TOCHECKINGPERIODCHECKCHECK FORMETHODREMEDY

Daily

Round belt

Expansion, wear, crack

Visual inspection

Replacement

Monthly

Carrying roller

Foreign substances

Visual inspection

Remove any foreign matterand clean.

Three

Wear of bearing

Visual inspection

Replacement

Line shaft

Dislodgement of coupling pin

Visual inspection

Reinstallation

coupling

Crack of resin chain

Visual inspection

Replacement

Drive chain

Looseness

Visual inspection

Adjustment or replacementmonthly

and manual check

Universal joint

Geared motor

Wear

Visual inspection

Replacement

Abnormal noise

Visual inspection

Lubrication, adjustment or

and listening

replacement

Visual inspection

Lubrication, adjustment or

and listening

replacement

Oil leakage

Visual inspection

Replacement

Abnormal noise

Listening

Retighten bolts.

Overheat

Manual check

Disassemble to inspect.

Abnormal noise

Replace if necessary.
Line shaft

LoosenessbearingAbnormal noise

Visual inspection

Retightening bolts,

and manual checkadjustment or replacement

Listening

Disassemble to inspect.
Replace if necessary.

Overheat

Manual check

Disassemble to inspect.
Replace if necessary.

Six

Frame, stand,monthly

cover and18

Looseness

Visual inspection

Retightening bolts,
adjustment

other

Deformation

Visual inspection

Repair or replacement

attachments

DamageVisual inspection

Repair or replacement

MEMO

19

LOGISTIC TECHNOLOGY DEPT., MACHINERY SYSTEMS ADMINISTRATION DIV.

Customer Center
TEL +81-46-273-8989 FAX +81-46-273-8990
URL https://www.hansou.jp
E-mail kikaiinfo@eng.sanki.co.jp

hansou.jp

Contact us● Particular attention is given to the manufacture and transportation of SANKI
conveyors. However, if you need any information about the use or failure of themachine or any other matters, please contact our customer service. Also do nothesitate to ask us for information about conveyors in general.
●The specification given in this manual are subject to change without notice.

Manual Code20

RAD-005 ‘23/01