Why Cam-Actuated Index Drives?

263 Pages·2008·11.01 MB·English

by  Gary Belniak

Table of Contents
Table of Contents
Introduction
A. Engineering
B. RDM Index Drives
C. RD and Intermittor Index Drives
D. Roller Gear Index Drives
E. Parallel Index Drives
F. Right Angle Index Drives
G. Heavy Duty E-Series Index Drives
H. Overload Clutches
I. Parts Handlers
I-2 RPP Cambot® Rotary Parts Handlers
I-15 HD-LPP Heavy Duty Linear Parts Handlers
I-27 MR-LPP Mid-Range Linear Parts Handlers
I-39 WBD Walking Beam Drives
J. Precision Link Conveyors
K. Servo-Mechanical Drives
L. Accessories
M. Torq/Gard Overload Clutches
N. Custom Applications
Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone] 1
Quality Policy
Quality Policy
Industrial Motion Control, LLC designs and builds
motion control components for integrators and users of
automation equipment.
Our objective is to serve this industry by providing the
best value in products and services to our customers.
To accomplish this, Industrial Motion Control, LLC is
committed to continual improvement in our overall
business performance.
2 Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone]
Introduction
Introduction
Industrial Motion Control, LLC (IMC), headquartered in Wheeling, IL USA, is a leading
manufacturer of precision cam-actuated index drives, parts handlers, in-line conveyors and
custom cams.
IMC Headquarters European Headquarters (Ferguson S.A.)
Wheeling, Illinois USA Braine-le-Château, Belgium
Formed by the merger of Commercial Cam capital equipment, IMC is unique in its ability
Co. and Ferguson Machine Co., IMC offers to manufacture a full range of motion control
the widest range of products in the industry. products under the Ferguson and Camco
With over 100 years of experience and brands.
significant investments in personnel and
Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone] 3
Introduction
Introduction
(continued)
IMC serves designers, builders and users of specialty automation equipment worldwide
with manufacturing facilities in both North American and Europe. Sales offices are in North
& South America, Asia and Europe.
MANUFACTURING FACILITY
SALES OFFICE
IMC Headquarters European Headquarters
Industrial Motion Control, LLC European Headquarters
1444 South Wolf Road Ferguson Co. SA
Wheeling, IL 60090 USA 33 Parc Industriel
Tel: [phone] B-1440 Braine-le-Château
Fax: [phone] Belgium
E-Mail: [email protected] Tel: [phone]
www.camcoindex.com Fax: [phone]
[email protected]
IMC Michigan
550 Forest Avenue Camco UK Ltd.
Unit #14 432 Perth Avenue
Plymouth, MI 48170 Slough Trading Estates
Tel: [phone] Slough, Berkshire SL1 4TS
Fax: [phone] United Kingdom
Tel: [phone]
Fax: [phone]
4 Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone]
Introduction
Introduction
(continued)
IMC has a full staff of technically trained sales engineers and applications engineers to help
select and specify the appropriate components for each specific machine design application.
Proprietary software ensures that components are selected to meet the customers’ require-
ments for accuracy, speed, load capacity and life expectancy.
Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone] 5
Introduction
Introduction
(continued)
Industrial Motion Control provides: ◆ Service. IMC provides application
◆ Quality. Our manufacturing plants engineering assistance as well as in-field
service and repair. Our delivery lead times
adhere to ISO-9001:2000 standards in
are very competitive, supporting customers
all manufacturing and business functions.
who demand short lead times to facilitate
Our CNC milling and grinding equipment
overall lead times for turnkey automation
is state-of-the-art.
equipment projects. With sales and service
◆ Value. Through superior product design
facilities in various locations throughout the
and investment in the best production
world, IMC can support your equipment
equipment and facilities both in North
wherever it is installed.
America and Europe.
Solutions in Motion™
6 Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone]

Engineering
A
Foreword
Cam-actuated motion control is a specialized recommend are Clyde H. Moon’s “Cam Design
business. In a 4 to 5-year university curriculum for Manual for Engineers, Designers, and Draftsmen”,
mechanical engineering, most students spend only published by Emerson Electric Co., Harold A.
a few weeks studying cams and their related Rothbart’s book, “Cam Design Handbook” published
mechanisms. In addition to continuing academic by McGraw-Hill and Robert L. Norton’s book “Cam
research, many advances in cam technology have Design and Manufacturing Handbook” published by
been made by companies and employees involved Industrial Press. Mr. Moon’s book is available in Adobe
in the commercial application of these products. Acrobat® PDF format on the IMC web site and can be
This engineering section provides the basic concepts easily downloaded at www.camcoindex.com.
necessary for machine designers to wisely choose
We would like to thank all of the IMC employees
the best cam solutions for their application.
and IMC manufacturer representatives that have
There are some good publications available to the contributed to our extensive cam knowledge base
general public for those seeking a more in-depth and helped collect the information presented in this
understanding of the subject. Three that we can catalog.
Introduction
Industrial Motion Control, LLC is a joint-venture As divisions of larger, Fortune 500 companies,
company formed in 2001 between Ferguson Machine both Ferguson and Camco were able to invest in
Co. and Commercial Cam Co., also known as Camco. substantial amounts of equipment and facilities while
developing a diverse line of products that include
Ferguson has been in continuous operation since
index drives, custom cams, parts handlers,
1930, with European operations established in 1961.
precision-link conveyors and servo-motor
Camco was established in 1939, first manufacturing
drive systems.
the copper coils required for the then-emerging
residential and commercial air-conditioning and Today, as IMC, Ferguson and Camco are the world’s
refrigeration industries. Camco needed cam- largest producer of cam-actuated index drives, utilizing
actuated machinery to produce these products and state-of-the-art production equipment to provide the
eventually the business focused on the commercial- highest quality cam-actuated and servo motor-
ization of cam-operated machinery, index drives actuated motion control products available.
and custom cams.
Solutions in Motion™
Choosing the proper type and size of index drive can catalog information and proprietary software all
be complicated. Over the years, IMC has developed combine to make the task less daunting. This
a wealth of experience in selecting and applying the engineering section will help eliminate much of the
optimum product solutions to a wide variety of applica- mystery behind high-performance indexing and its
tions. IMC application engineers, sales engineers, application in specialty machinery design.
Adobe Acrobat®is a registered trademark of Adobe Systems, Inc.
A-2 Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone]
Engineering
A
What is Indexing?
Indexing can be linear or rotary. As defined by IMC, indexing is the process of starting and stopping in precise
intervals at precise locations.
Rotary Indexing
Linear Indexing
INDEX DWELL INDEX DWELL
TIME
DISPLACEMENT VELOCITY
Why Cam-Actuated Index Drives?
The advantages of cam-controlled motion are obvious rigidity, settling time (the time to dampen any
and effectively demonstrated in everyday life by the vibrations) in dwell is short or virtually non-existent —
camshaft found in automobile engines. No other very important for many applications requiring a
technology can provide comparable speed, combination of speed and precise positioning.
precision, repeatability, load capability and
Through careful design of the cam profile, velocity and
reliability.
acceleration are also controlled throughout the index-
Cam-driven mechanisms require little or no ing cycle, minimizing vibration and providing a known,
maintenance and are capable of moving, with repeatable displacement-time relationship.
precision, a wide variety of products and components.
In summary, cam-operated indexing systems have the
For example – larger E-Series Index Drives rotate
following features and benefits:
several tons of automotive body parts in seconds –
and smaller P-Series and RG-Series index drives
◆ Controlled Acceleration and Decelerations
accurately index pharmaceutical components
◆ Repeatable, Accurate Positioning
and electronic components in milliseconds. The
mechanical technology typically requires no ◆ High Load Capacity
maintenance, other than routine checks for proper ◆ High Speed Capability
lubrication. Rolling pre-loaded contact between the
◆ Smooth Motion
cams and cam followers minimize wear and thermal
◆ Quick Settling Time in the Dwell Position
inefficiencies. This preloading technique is also used
on the input and output bearings of the index drive, ◆ Low Maintenance, Superior Life
achieving the most rigid, accurate and efficient ◆ Known Displacement-Time Relationship
mechanical actuator possible. With this inherent
◆ Known Power Requirement
Industrial Motion Control, L.L.C. • www.camcoindex.com • [phone] A-3