Ramsey Silent Chain Corporate Brochure
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Ramsey Silent Chains

For more than 85 years Ramsey Products has focused on helping customers with the selection and application of Silent Chain drives. Combine that experience and commitment to customer service with our ongoing focus on quality and you have today’s Ramsey Products – manufacturing and supporting the world’s widest range of industrial Silent Chain products. Because Ramsey specializes in Silent Chain (Inverted Tooth) drives, we can provide solutions that are simply not available from other companies. Not only do we offer the widest range of standard chains and sprockets, we also custom design and...

2 Silent Chain Basics All silent chains are made up of stacked rows of flat, tooth shaped driving links that mesh with sprockets having compatible tooth profiles, much the way a rack and pinion mesh. Typically, chains will also contain guide links, whose purpose is to maintain proper tracking of the chain on sprockets. Washers or spacers may be present in some chain constructions. All of these components are held together by riveted pins located in each chain joint. Although all silent chains have these basic features there are still many many different styles, designs, and configurations....

Chains for power transmission Silent chain drives are capable of transmitting power with low noise, high efficiency, and reduced vibration, at speeds and loads that exceed the capability of other belts and chains. There are many styles of silent chain, and Ramsey offers a wide range of designs for different application requirements and budgets. Almost all Ramsey silent power transmission chains utilize efficient, quiet, two-pin roller bearing joints; technology which has been shown to outperform conventional, round pin joints. These chains can be found in a wide variety of demanding...

RPV chain • Ramsey’s best chain • Two pin joint technology • High performance – speeds to 35 m/s • Interchanges with Bosch/ Rexroth HDL1, Morse HV2 4 RamPower • Exclusive Ramsey high strength • Twice the horsepower capacity of SC chain • Substitute 3/8” through 2” pitch • Operate on sprockets with ASME standard tooth profile SC chain • Ramsey’s original patented silent chain • ANSI standard compatibility • 3/16” through 1 1/2” pitch • Economical replacement chain 1 Bosch/Rexroth HDL – a product of Rexroth Bosch Group 2 Morse HV – a product of BorgWarner Morse TEC

5 Duplex chain • Designed to engage and drive sprockets from both sides of the chain. • Three different styles of duplex silent chain: RamFlex, SC Duplex, RamPower Duplex 3/16” pitch SC silent chain • Made entirely of corrosion resistant 304 stainless steel • 10 standard widths for fractional horsepower or high temperature applications • A round pin joint allows chain to backbend Specialty chain • Made to order, custom chains • Special materials and designs to fit specific applications.

Ramsey’s silent conveying chains provide a heat resistant, flat, durable, non-slip, conveying surface that can be customized to fit a wide range of industrial applications. All Ramsey conveying chains are designed to smoothly and efficiently engage sprockets, providing minimal speed variation in the conveying surface. Chain options include single pin or two pin joint construction, link-spacer or all link constructions, stainless steel, pin head protection, and widths up to 20 inches (508mm). Chains for conveying 6 UltraLife - single pin chain • Ramsey’s best conveyor chain • Available in...

7 Standard conveyor chain • The world’s most popular single pin silent chain • Proven oval pin joint technology • Full range stock and custom widths • Link, link-spacer, and multiguide assemblies Extended, Single Pin, 1” pitch conveyor chain • Reduced conveyor weight • Standard 1/2” pitch sprockets • Ramsey oval pin joint technology • Many widths and assemblies available Extended, Two Pin, 1” pitch conveyor chain • Reduced conveyor weight • Standard 1/2” pitch sprockets • Ramsey two pin joint technology • Many widths and assemblies available LoProfile chain • Reduced overall link height and...

Wear protected chain Ramsey wear protected chains use specially-designed links that cover and protect the sides of the chain to extend chain life and improve product handling. Chains are designed to run in direct contact with lateral guides or transfer plates, and assist with smooth product transfer. No other design offers the protection of Ramsey’s wear resistant chains. 8 AllGuard FX chain • Chains are protected to prevent premature chain failure and pin head wear. • Pin heads are protected from wear by being recessed in the side links. Made entirely of corrosion resistant 304 stainless...

Sprockets, gears and couplings Ramsey offers a full range of stock and made to order sprockets in pitches ranging from 3/16” pitch to 2 1/4” pitch. Stock sprockets are available with minimum plain bores or bored for taper lock bushings. For an additional charge they can be machined with a finished bore and keyway. Made to order sprockets provide an almost unlimited range of options and are a large part of our daily production. Ramsey also supplies sprockets to replace most competitors’ products. 9

10 Ramsey sprockets • Stock and custom order; center guide or side guide available • Choice of materials – typically carbon steel or ductile iron; other materials available • Hardened teeth – Rockwell hardness of Rc 50 minimum Ramsey chain couplings • Easy installation • Straight and diagonal designs • Straight type composed of coupling halves split perpendicular to the shaft axis • Diagonal type split at an angle resulting in a higher load capacity • Carbon steel or stainless steel options Ramsey gears • Custom machined – no minimum order quantity • Tooth hardening is available • Spur...