Keyless Locking Device Training_Level 1
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Learn the types and applications of Keyless Locking Devices from a leading distributor, Climax Metal Products Company.
Keyless Locking Device Training_Level 1
- 1. Keyless Locking Devices Application Training
- 2. Climax Metal Products Company... Who are We? • Established in 1946, Climax Metal Products Company is an ISO 9001:2008 certified manufacturing company • In June 2011 Climax joined forces with MAV S.p.A. in Italy, a worldwide leader in the design and manufacturing of KLDs and related products for over 30 years • Division of RBC Bearings Company Oxford, Connecticut • Located in Mentor, Ohio • Thousands of SKUs in inventory • Custom applications to meet your special needs • Customer Service Representatives and Outside Sales Representatives trained to answer your questions
- 3. What is a Keyless Locking Device? A Keyless Locking Device (KLD) creates a 306° clamping force on the shaft to position components Two Types: 1. Internal Locking Assemblies – Keyless Locking Assemblies – These KLDs reside between the shaft and the hub to create both internal and external connections 2. External Shrink Discs – These KLDs sit outside of the hub compressing it down onto the shaft
- 4. KLDs Provide Advantages over Traditional Shaft/Hub Connections • Keys/Keyways/Setscrews • Splines • Shrink or Press Fits • QD/Taperlock Bushings • Hex Nut Keyless Bushings
- 5. Keys, Keyways, and Set screws • While inexpensive, keyways are subject to wallowing out over time when subject to reversing and start/stop motion • The erosion of keyways can cause backlash and fretting • In some cases, this fretting can lead to cold welding of the hub to the shaft, or even fracturing of the shaft itself The KLD Advantage: Because KLDs do not require a keyway, these problems are not present when they replace keyways and setscrews
- 6. Splines • Both shaft and drive elements must be machined, which is costly and time consuming • Splines also have backlash and associated problems • Splines cannot be repaired in the field The KLD Advantage: It is simple and quick to replace a KLD because no machining is required
- 7. Shrink or Press Fits • These fits require close tolerances and expensive finished • The applications for shrink fits (heat/dry ice) are expensive, cumbersome, and potentially hazardous • Dismounting/reinstallation in the field is difficult and time consuming. The KLD Advantage: KLDs are quick, safe, and easy to install and disassemble with no need for treatment
- 8. QD or Taperlock Bushings • Keyways are still required; wallowing occurs which can eventually lead to fretting and backlash • These designs require either a tapered bore in the component or a mating weld-on hub • They are not meant to transmit reverse bending loads The KLD Advantage: Without keyways or a need for a modified bore in the component, KLDs are flexible for any design
- 9. Hex Nut Keyless Bushings • It is difficult to apply measured torque to a tightening nut • Hex nut keyless bushings are not self-locking; dynamic loading can loosen the connection The KLD Advantage: KLDs are self-locking and have a number of separate locking screws so measuring torque during installation is simple
- 10. Working Principle of a Keyless Locking Assembly • Tapered rings work like wedges to convert clamp loads into radial contact pressure – As the screws are tightened, the wedges come together to tighten down on the shaft as well as expand into the hub of the component • When the specified screw tightening the torque is reached, the predetermined load capacity is achieved
- 11. Working Principle of a Shrink Disc • Tapered rings work like wedges to convert locking screw clamp loads into radial contact pressure – As the screws are tightened, the Shrink Disc provides a 360° locking force down on the component • Radial force squeezes the hub, bridging and applying pressure onto the shaft
- 12. Assembly and Disassembly • Mating components should be machined with a straight-bore – Locking assemblies can be installed over a keyed shaft • Locking assemblies drop in with generous clearance fits and are typically installed with machine oil on all mating components • Shrink Discs demand tighter machining tolerances to limit diametrical clearance and are typically installed with clean and dry shaft/hub interface • By loosing the screws, all KLDs are easily disassembled • All KLDs are shipped with written instructions
- 13. Sales Tips & Techniques… Why your customers want Climax Keyless Locking Devices • Product Breadth and Availability – Located east of Cleveland, Ohio we have thousands of KLD SKUs – Shipped from inventory same day – Drop shipments at no additional charge – Most extensive coverage in both imperial and metric sizes – No minimum required • Price – Fair market price – Products consistently provide excellent profit margins • Customer Service – Over 70 years of proven selling experience – Knowledgeable staff can provide recommendations on product styles and selections
- 14. Summary… What you should know • Understand the difference between an internal locking assembly and an external shrink disc • Understand the advantages of KLDs over traditional shaft/hub connections • Understand the basic working principle of locking assemblies and shrink discs • Understand reasons to select Climax Keyless Locking Devices
- 15. Climax Keyless Locking Devices Training Complete! Thank you for your attention. If you have questions or need additional information, please contact our Customer Service Department at 800-542-6552 Monday-Friday 8:00am till 5:30pm EST.
Editor's Notes
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