Planetary Gear Reducer
for Servo Motor
IB Series PE TypeCAUTION
These Products should be handled, installed and maintainedby trained technicians.
Carefully read the maintenance manual before use.
This maintenance manual should be sent to the actual user.
This maintenance manual should be kept by the user for
future reference.

Maintenance Manual
No.ZM1001E-2

[Notes to the user] Safety precautions• Carefully read this maintenance manual and all accompanying
documents before use (installation,operation, maintenance,
inspection, etc.). Thoroughly understand the machine, information about safety, and all precautions for correct operation.
Maintain this manual for future reference.
• Pay particular attention to the "DANGER" and "CAUTION" warnings regarding safety and proper use.

DANGER

Improper handling may result in physicaldamage, serious personal injury and/or death.

CAUTION

Improper handling may result in physicaldamage and/or personal injury.

CAUTION may lead to serious danger deMatters described in
pending on the situation.
Be sure to observe important matters described herein.

DANGER• Transport, installation, plumbing, wiring, operation, maintenanceand inspections should be handled by properly trained technicians; otherwise, electric shock, injury, fire, or damage to theequipment may result.
• Consult our authorized service provider nearest to you if the
product needs to be dissembled/reassembled or overhauled.
• When the unit is to be used in a system for transport of humanbeings, a protective device should be installed. There is a risk of
personal injury or damage to the equipment due to runaway orfalling.
• When the unit is to be used in an elevator, install a protective
device on the elevator side to prevent it from falling; otherwise,
personal injury, death, or damage to the equipment may result.

1

[Contents]
Contents[Introduction] Safety Precautions… …………………………………… 1[Contents]… …………………………………………………………… 2[1] Inspection Upon Delivery…………………………………………… 3[2] Storage… …………………………………………………………… 5[3] Transportation… …………………………………………………… 6[4] Installation…………………………………………………………… 6[5] Mounting the servo motor… ……………………………………… 8[6] Coupling with Other Machines………………………………… 10[7] Operation… ……………………………………………………… 13[8] Daily Inspection and Maintenance… …………………………… 15[9] Troubleshooting … ……………………………………………… 18[10] Structural Drawing… …………………………………………… 19[11] Warranty… ……………………………………………………… 20

2

[1] Inspection Upon Delivery
CAUTION• Unpack the unit after verifying that it is positioned right side up;otherwise, injury may result.
• Verify that the unit received is in fact the unit ordered. When adifferent unit is installed, injury or damage to the equipment may
result.
• Do not remove the nameplate.
Upon delivery and receipt of the reducer check the following. If
a nonconformity or problem is found, contact our nearest agent,
distributor, or sales office.
[1] Do the items on the nameplate conform to what was ordered?
[2] Were there any parts that were broken during transport?
[3] Are all bolts and nuts tightened firmly?

1-1 How to Refer to the Nameplate
When making an inquiry, advise us of the [1] Nomenclature and [2]Serial No.

S/NkW
MADE IN CHINA

r/min

QR
code
AQ3331G

Nomenclature
Serial No.
Figure 1-1 Nameplate

1-2 Lubrication Method
IB Series PE Type is a grease-lubricated unit. Grease is injected into
the unit components before shipment so that no further lubrication is necessary during use.

3

[1] Inspection Upon Delivery
1-3 Nomenclature
The meanings of the symbols are as follows. Verify that the nomenclature matches that of the order.

A

N

F

X

PE20 W

PE10

1G LD

Frame Size
PE15 PE20

15

PE30

Output shaft geometry
Solid shaft
W(with a key slot)
Note) The key fitted to the
output shaft can beremoved if you do
not use it.
Motor Flange Code
Various

Symbol of
FINE CYCLO
AIB Series

LD
Output shaft direction
Can be mounted inNeither direction

Mounting method
F
Flange mounting

X

Backlash
15 min specification

Reduction ratio
Actual reduction ratio
Special specification
Blank Standard Specifications
S
Special specification

Motor connection method
Flange on the motor4[2] Storage
When storing reducers for any extended period of time, consider
the following important points.

2-1 Storage Location
Store the unit indoors in a clean dry location.
Do NOT store the unit outdoors or in locations where there isexcessive moisture, dust, severe temperature change, corrosive
gas, etc.

2-2 Storage Period• Storage period should be less than 1 year.
• Standard Rust Prevention Specifications
External rust proofing		Rustproofing oil is applied to the unit before shipment.
After the unit is delivered, check the machined faces forrusting once every six months and reapply rustproofing or
take other appropriate rust prevention steps as required.
Internal rustproofing		The product should be used in an environment free ofsevere moisture or dust, extreme temperature changes
and corrosive gases. Storage should be provided undergenerally acceptable indoor manufacturing condition or
in a warehouse.
• When the unit will be shipped overseas or stored for a period of
longer than 1 year, please contact us for special rust prevention
specifications.
• When the unit will be stored for a period of longer than 1 year, theunit should be operated for a few minutes under no-load conditions every two or three months.

2-3 Use After Storage• The oil seal is prone to deterioration due to the surrounding conditions such as temperature, ultraviolet rays, etc., so after long-term
storage, the unit should be inspected before operation, and any
deteriorated parts should be replaced with new parts.
• When the storage period is 2 years or longer, the oil seals andgrease should be replaced before starting operation.
• At the start of operation, make sure there is no abnormal noise,
vibration, heat, etc. If any abnormal condition is observed, immediately contact our authorized service provider nearest to you.
5

[3] Transportation
DANGER• Do not stand directly under a unit suspended by a crane or otherlifting mechanism; otherwise, injury or death may result.

CAUTION• Exercise ample care so as not to drop or tip over the unit duringtransportation.
• When lifting the unit using eye bolts in the threaded holes provided on the main unit, refer to the package, exterior drawings,
catalog, etc., and do no lift a unit that is heavier than the rated
load of the eye bolts; otherwise, the falling/tumbling of the unit
or damage to the lifting devices may cause personal injury or
equipment damage.
• After the unit has been mounted in the machine, avoid lifting theentire machine with using the eye bolts; otherwise, it may resultin injury or damage to the equipment due to the unit falling or
tipping over, or due to failure of the eye bolts.
• Use proper lifting fixtures, and make sure the eye bolts and nuts
are not loose before lifting.

6[4] Installation
CAUTION• Do not use the unit for a purpose other than that indicated on
the nameplate or in the manufacturing specifications; otherwise,
injury or damage to the equipment may result.
• Do not place any object that will hinder ventilation around the
reducer; otherwise, the cooling effect is reduced, possibly leading
to fire or burns due to excessive heat built-up.
• Absolutely do not stand on or hang from the unit; otherwise, injury or damage to the equipment may result.
• Do not touch the key slot at the end of the unit’s shaft with barehands. otherwise, injury may result.
• When the unit is used in food processing applications, machines
for cleanroom and so on, vulnerable to oil contamination, installan oil pan or other such device to cope with grease leakage due
to breakdown or failure; otherwise, grease leakage may cause
failure of the unit, etc.

4-1 Place of Installation
Ambient temperature range
0 to 40°C (the unit may be unable to start up under some r.p.m.
or torque condition when the temperature is very low.
Consult us if the unit is going to be used at temperaturelevels close to 0°C).
Ambient humidity
85% or less. No condensation.
Altitude
1000m max.
Ambient atmosphere	There should be no corrosive gas, combustible gas, or steam.
The location should be free from dust and well ventilated.
Installation location Indoor (f ree of severe dust and away fromwater or other liquid splashes)• Mounting in conditions other than the above requires adherence
to special specifications. Please consult with us.
• Mount in a location that enables easy operation, such as inspection and maintenance.
• Mount on a sufficiently rigid member.

4-2 Installation Angle
No limitation in the installation angle.
7[5] Mounting the servo motor
5-1 Motor assembly procedure
The product has a special shaft coupling between the reducer
gear and the motor so that a non-straight motor shaft such as keyor D-shape-cut shafts can be accommodated.
Assemble the motor in the following steps from (1) to (8):(In the case of a key-slotted shaft, remove the key before assembly).
(1) Wipe rustproofing or other oils from the motor shaft surface.
(2) Place the reducer on an appropriate work surface with the coupling facing straight up.
(3) Remove the plug from the setting hole .
(4) Manually align the components so that the coupling tightening
bolt can be tightened from the setting hole .
(5) Insert the motor shaft into the center hole of the coupling .
Press the shaft straight into the coupling, and engage the joint
between the motor and the adapter plate .
(6) Lock the motor and the adapter plate together by tightening
the motor mounting bolt.
(7) Tighten the coupling tightening bolt from the setting hole using a torque wrench. Tighten to the appropriate torque value
shown on Table 5-1.
(8) Reinstall the plug from the setting hole.

8[5] Mounting the servo motor
Table 5-1 Bolt tightening torque

KA, KC, KD, 2D

Coupling holediametermm
8

M3

Tightening
torque
N•m
1.67

2H

9

M3

1.67

2J

10

M6

8.83

2L

11

M5

7.35

M4

3.92

M5

7.35

Motor Flange CodeTightening
bolt

2P, 2R

14

KH, 0V

14

M5

7.35

1G, 7B, 7S, 7V, KK, 7X

19

M6

8.83

1S, KQ

22

M8

21.6

1L, 8P

24

M6

8.83

7Z

24

M8

21.6

1T

28

M8

21.6

0X

35

M8

21.6

Motor

Coupling
tightening
bolt

Plug/setting hole

Coupling
Torque wrench
Adapterplate
Plug/setting
hole

Figure 5-1 Assembly drawing

9

Motor
mountingbolt

[6] Coupling with Other Machines
CAUTION•	Check the rotation direction before connecting the product tothe driven machine. Connecting the product to an incorrect rotation direction may result in personal injury or equipment damage.
•	When the product is to run on its own without being connected
to other devices, remove the key from the output shaft in advance. Otherwise, the key may fly off the shaft and cause personal injury.
•	Install a cover or other appropriate protection over the rotatingparts to prevent human contact. otherwise, injury may result.
•	When connecting the product to a load device, check alignment,
belt tension and pulley parallelism for correct connection. In thecase of direct coupling, carefully verify coupling accuracy. In thecase of belt connection, correctly adjust belt tension. Before running the product, check that all the pulley/coupling tightening
bolts are tight. Running the product with loose coupling may
result in equipment damage due to fragments flying off the unit.

6-1 Checking the rotation direction
Verify that the rotation direction is the same as that of the input
shaft.

10[6] Coupling with Other Machines
6-2 Mounting a connecting element
 hen installing a connecting element, be careful not to impactW
the shaft or apply an excessive amount of thrust load. Bearing
damage or collar disengagement may be caused.
Installation by shrink fit or shaft end thread engagement is recommended.

(1) When using a coupling
Make sure that the alignment errors (A, B and X) illustrated in Figure 6.1 are not greater than the specification values shown in Table
6-1.

B

A
X

X
Figure 6-1

Table 6-1 Flexible coupling alignment errors
A size tolerance

0.1 mm or manufacturer-specified value

B side tolerance

0.1 mm or manufacturer-specified value

Dimension X

Manufacturer-specified value11[6] Coupling with Other Machines(2) When using a chain/sprocket or gear coupling In the case of chain-based coupling, make sure that the tensioned
chain angle is at the right angle to the shaft.
 Refer to the chain catalog or other appropriate information source
to know the correct chain tension.
 Make sure that the sprocket or gear pitch circle diameter is morethan three times longer than the shaft diameter.
Have the sprocket or gear load action point positioned closer to thisunit than the center of the shaft. (Refer to Figure 6-2).

(3) When using a timing belt
 Excessively tensioning the timing belt may damage the shaft orbearing. Refer to the manufacturer’s catalog or other appropriate
information source to know the correct belt tension.
Refer to the manufacturer’s catalog for the allowable values of parallelism and eccentricity (β) between pulleys. (Refer to Figure 6-3).
 Have the timing belt load action point positioned as close as possible to this unit.

Connecting element

This product

β

Shaft
β

Figure 6-2

Figure 6-312[7] Operation
DANGER•	Do not come close to or touch the rotating part (output shaft)while the unit is running. Entanglement may cause personal injury.

CAUTION•	Do not put fingers or foreign object into the opening of the reducer; otherwise, injury or damage to the equipment may result.
•	The reducer will become very hot during operation. Keep yourhands and body away from the reducer. otherwise, burns may
result.
•	Stop the unit immediately when any abnormal condition is observed. Personal injury may be caused.
•	Do not run the unit in excess of its rated load level. otherwise,
injury or damage to the equipment may result.

7-1 Preparational checks
After installation is completed, check and confirm the following
before running the unit:• The unit is correctly connected to the driven machine.
• All the installation bolts are tight.
• The rotation direction is as planned.
Run the unit after the above checks are completed, first without
load to break it in and then with a progressively increasing amountof load. Carry out the checks specified in Table 7-1 while the unit isrunning.

13

[7] Operation
7-2 Check During Operation
Table 7-1 Check items during operation

Is there any abnormal
noise or vibration?

 Is the case deformed due to the installation surface not being completely flat?
 Is resonance observed due to the installation surface not being sufficiently rigid?
• D oes the center axis of the driven machine match?
• Is vibration of the driven machine transmitted to the reducer?

Is the sur face temperature abnormallyhigh?

• Is the ambient temperature at the placeof usage high?

If any abnormal condition is observed, immediately stop the unit andcontact our authorized service provider nearest to you.

14

[8] Daily Inspection and Maintenance
DANGER• Do not come close to or touch the rotating parts (output shaftetc.) while the unit is running. otherwise, loose clothing caught inthese rotating parts may result in injury or death.

CAUTION• Do not put fingers or foreign object into the opening of the reducer; otherwise, injury or damage to the equipment may result.
• The reducer will become very hot during operation. Do not touch
the unit with bare hands; otherwise, burns may result.
• Identify and provide appropriate corrective action in a timely
fashion and according to this maintenance manual if any abnormal operating characteristics are observed. Do not operate theunit corrective action has been taken.
• Do not use damaged reducers; otherwise, injury or damage tothe equipment may result.
• We can not assume any responsibility for damage or injury as aresult of an unauthorized modification by a customer.
• Dispose of the reducer as general industrial waste.

15[8] Daily Inspection and Maintenance
8-1 Daily Inspection
To ensure proper and continued optimum operation, use table1 to
perform daily inspections. All of the answers should be "No."
Table 8-1 Daily Inspection
Inspection Item

Details of Inspection

Noise

Is there abnormal sound? Is there suddenchange in sound?

Vibration

Is vibration abnormally large? Does vibration
change suddenly?

Surface temperature

Is the surface temperature abnormally high?
Does the surface temperature rise suddenly?

Grease leakage

Is grease leaking from the gears? Is there anyrust on the sliding surface of the oil seal?

Installation bolts

Is any installation bolt loose?

Chain
Timing belt

Is the chain or timing belt loose?

• If any abnormal condition is observed during the daily inspection,
remedy the situation by referring to 9, “Troubleshooting” (page 18).
If the abnormal condition still persists, contact our authorized service provider nearest to you.

16

[8] Daily Inspection and Maintenance
8-2 Maintenance of Main Unit
• Oil seals have a life, and after long-term use there may be a decrease in the seal effect due to natural deterioration and wear.
Although the seal life greatly differs depending on the operating
conditions and surrounding environment of the reducer, it is recommended that the seal be replaced every 1 to 3 years.
If the sliding surface of the oil seal becomes worn or rusted, replace
the seal with a new one.
The unit’s sliding surfaces are carbon steel. Any exposed part of theoil seal sliding surface must periodically receive rust prevention
treatment such as rustproofing oil application so that rusting will
not progress on the sliding surface.

8-3 Backlash
The product has been assembled with a preconditioned backlash
A complete backlash reconditioning would be necessary if the
product is disassembled. Do not disassemble the product.

17[9] Troubleshooting
If any abnormal condition is observed in or related to this unit,
promptly remedy the situation by referring to Table 9-1. If the abnormal condition still persists, contact our local subsidiary nearest
to you.
Table 9-1 Troubleshooting
Condition

Possible causes

Control

The motor runs when without Unit damaged due to gearload, but the output shaft does overloading etc.
Contact our local subsidiary
not turn
but when load is applied

The motor runs with the output shaft
turning when without loadCannot run fast and Unit overloaded
becomes overheated

Reduce the load to the specification level

The key is not fitted

Fit the key

Bearing is burned

Contact our local subsidiary

Stops

Runs in the reverse direc- Control setup error
tion
Unit overloaded

Change the control setup
Reduce the load to the specification level

Ambient temperature at the Improve ventilation
Tue unit becomes excessively use location is too highheatedBearing damaged
Contact our local subsidiary
Reduction gears excessively Contact our local subsidiaryworn due to overloading etc.
Grease leaking

Small amounts of grease Grease applied to the oil seals Wipe the grease off the oil
seeping out or drooling tends to seep out from the seals and observe the condifrom input or output shaft seals at the beginning of use tion
seals
Input or output shaft area Oil seal or shaft damaged
Contact our local subsidiary
Grease leakage
Grease leaking from casejoints or other mating Tightening bolt loose
Contact our local subsidiaryfaces
Debris or foreign objects inside the bearing, or the bear- Contact our local subsidiarying is damaged
Foreign objects stuck between Contact our local subsidiary
reduction gears
Reduction gears damaged

Abnormal noise
Abnormally severe vibration

Contact our local subsidiary

Case deformed due to the Correct the installation surface
installation surface not being to make it completely flat orcompletely flat
use liners etc. for adjustment
Resonance due to the instal- Reinforce the installation surlation surface not being suf- face for greater rigidity
ficiently rigid
Shaft misalignment with the Align the shafts
driven machine
V i b r a t i o n o f t h e d r i v e n Run the reducer on its own tomachine transmitted to the locate the noise source
reducer18[10] Structure drawing
10-1 Structure drawing

Figure 10-1 Single-reduction type (example: ANFX-PE15W)
Table 10-1 Main components
Part
Description
number1
output flange2
Oil seal
3
Main bearing
4
Sun gear5
Planetary gear
6
Internal gear
7
Case

Part
Description
number8
O-ring9
Joint cover10
Oil seal
11
Input shaft bearing
12
coupling
13
adapter plate
Motor (provided by the
14
user)

19

[11] Warranty
The scope of warranty of our delivered products is limited only towhat we manufactured.
Warranty (period and contents)
Warranty
PeriodThe warranty period for the Products shall be 18 months after thecommencement of delivery or 18 months
after the shipment of the Products from the seller’s works or 12months from the Products coming into operation,
whichever comes first.

Warranty Condition

In the event that any problem or damage to the Product arises during the “Warranty Period” from defects in
the Product whenever the Product is properly installed and combined with the Buyer’s equipment or machines,
maintained as specified in the maintenance manual, and properly
operated under the conditions describedin the catalog or as otherwise agree upon in writing between the
Seller and the Buyer or its customers;
the Seller will provide, at its sole discretion, appropriate repair or
replacement of the Product without charge
at a designted facility, except as stipulated in the “Warranty Exclusions” as described below. However, if the
Product is installed or integrated into the Buyer’s equipment or machines, the Seller shall not reimburse thecost of: removal or re-installation of the Product or other incidental
costs related thereto, any lost opportunity,
any profit loss or other incidental or consequential losses or damages incurred by the Buyer or its customers.

Warranty Exclusions

Notwithstanding the above warranty, the warranty as set forth
herein shall not apply to any problem or damage
to the Product that is caused by:
1. installation, connection, combination or integration of the Product in or to the other equipment or machine that is rendered byany person or entity other than the Seller;
2. insufficient maintenance or improper operation by the Buyer or
its customers, such that the Product is not maintained in accordance with the maintenance manual provided or designated by
the Seller;
3. improper use or operation of the Product by the Buyer or its
customers that is not informed to the Seller, including, without
limitation, the Buyer’s or its customers, operation of the Productnot in conformity with the specifications, or use of lubricating oilin the Product that is not recommended by the Seller;
4. any problem or damage on any equipment or machine to which
the Product is installed, connected or combined or on any specifications particular to the Buyer or its customers;
5. any changes, modifications, improvements or alterations to the
Product or those functions that are rendered on the Product byany person or entity other than the Seller;
6. any parts in the Product that are supplied or designated by the
Buyer or its customers;
7. earthquake, fire, flood, sea-breeze, gas, thunder, acts of God or
any other reasons beyond the control of the Seller;
8. normal wear and tear, or deterioration of the Products, parts,
such as bearings, oil-seals;
9. any other troubles, problems or damage to the Product that are
not attributable to the Seller.
20

Worldwide Locations
North America / South America
Sumitomo Machinery Corporation of America (SMA)
4200 Holland Blvd. Chesapeake, VA 23323, U.S.A.
TEL (1)757-485-3355 FAX (1)757-485-7490
SM Cyclo of Canada, Ltd. (SMC)
1453 Cornwall Road, Oakville, Canada ON L6J 7T5
TEL (1)905-469-1050 FAX (1)905-469-1055
EuropeSumitomo (SHI) Cyclo Drive Germany GmbH (SCG)
Cyclostraße 92, 85229 Markt Indersdorf, Germany
TEL (49)8136-66-0 FAX (49)8136-5771
India
Sumi-Cyclo Drive India Private Limited (SDI)
Gat No. 186, Raisoni Industrial Park, Alandi Markal Road, Fulgaon-Pune,
Maharashtra, India
TEL (91)96-0774-5353
Southeast Asia / Oceania
Sumitomo (SHI) Cyclo Drive Asia Pacific Pte. Ltd. (SCA)
15 Kwong Min Road, Singapore 628718
TEL (65)6591-7800 FAX (65)6863-4238
China
Sumitomo (SHI) Cyclo Drive China, Ltd. (SCT)
11F, SMEG Plaza, No. 1386 Hongqiao Road, Changning District, Shanghai, China(P.C. 200336)
TEL (86)21-3462-7877 FAX (86)21-3462-7922
TaiwanTatung SM-Cyclo Co., Ltd. (TSC)
22 Chungshan N. Road 3rd., Sec. Taipei, Taiwan 104, R.O.C.
TEL (886)2-2595-7275 FAX (886)2-2595-5594
Korea
Sumitomo (SHI) Cyclo Drive Korea, Ltd. (SCK)Royal Bldg. 19 Rm. 913, 5 Saemunan-ro 5-Gil Jongro-Gu Seoul, Korea 03173
TEL (82)2-730-0151 FAX (82)2-730-0156
Japan
Sumitomo Heavy Industries, Ltd. (SHI)
ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025, JapanTEL (81)3-6737-2511 FAX (81)3-6866-5160
Specifications, dimensions, and other items are subject to change without
prior notice.

Power Transmission & Controls Group
Headquarter ThinkPark Tower, 1-1 Osaki 2-chome,
Shinagawa-ku, Tokyo 141-6025, Japan

No.ZM1001E-2.0
EK10 Printed 2019.10