Best practices for optimizing performance and reducing costs when selecting and using cable and hose carriers
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Cable carriers are a practical and innovative way to guide and protect cables and hoses in dynamic applications. Whether you require a simple, off-the-shelf system, or have an application requiring a more sophisticated and complex solution, there are steps that can be taken in the design phase that can significantly improve performance, reduce costs and simplify installation. Watch the webinar: http://www.designworldonline.com/best-practices-using-cable-hose-carriers/#_
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Best practices for optimizing performance and reducing costs when selecting and using cable and hose carriers
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- 2. #DWwebinar q This webinar will be available afterwards at www.designworldonline.com & email q Q&A at the end of the presentation q Hashtag for this webinar: #DWwebinar Before We Start
- 3. #DWwebinar Meet your Speakers FEATURED SPEAKER Mark Zanolla Gortrac Engineering Manager Dynatect Manufacturing, Inc. FEATURED SPEAKER Mark Cunningham Gortrac Sales Manager Dynatect Manufacturing, Inc.
- 4. #DWwebinar 1. Basic Carrier Design & Selection 2. Selecting Construction 3. Design Considerations 4. Optimizing Accessories 5. Value Added 6. Planning for Installation Topics
- 5. #DWwebinar • Cable/Hose Specs • ODs • Weights • Minimum Bending Radius • Space Restrictions • Orientation • Travel • Velocity • Acceleration • Environment Determine Size Determine Length Determine Style Basic Carrier Design
- 6. #DWwebinar Determining Size Cable/Hose Safety Factor • Cables: + 10% • Hoses: + 20% .50” Cable .25” Cable 1.00” Hose B= Cavity Height Determined by OD of largest cable/ hose A= Cavity Width Determined by adding the ODs of all cables/hoses and Divider Widths Step 1: Draw a box Step 2: Add Cables/Hoses Step 3: Determine “B” Dimension: Step 3: Determine “A” Dimension Step 5: Check “C” & “D” Dimensions against space restrictions C = Outer Width D = Outer Height B ≥ 1.2” A ≥ 2.05”+ Seps Step 4: Consult catalog for appropriate series
- 7. #DWwebinar R = Radius Step 5: Determine minimum bending radius of largest cable/hose Step 6: Consult catalog to select closest standard bending radius K = Depot H = Curve Height 1.00” Consult cable manufacturer’s spec or use 8 – 10 X OD Step 7: Check K & H dimensions against space restrictions Determining Size
- 8. #DWwebinar Step 1: Determine required machine travel Step 2: Determine whether carrier can be center mounted ½ Travel + K ½ Travel Step 3: Consult Gortrac catalog for CL of selected radius CL = (R x π) + (Pitch x 2) Step 4: Travel/2 + Offset + CL = Carrier Length Determining Length
- 9. #DWwebinar Horizontal Lower Flange Fixed Horizontal Upper Flange Fixed • Must be supported from underneath • Most applications • Lower bracket should have support • Usually only practical on short travels • Useful for overhead applications Support Support Support
- 10. #DWwebinar Vertical Curve Down Vertical Curve Up • Very carrier friendly application • Cable and hoses must be clamped • Carrier must have vertical support to avoid “light-bulb” effect • Not recommended for long travel • Usually seen above machine tools etc.• Vertical travels require no camber S u p p o r t S u p p o rt
- 11. #DWwebinar Opposed System Nested Carriers • For applications with width restriction • Reduces carrier fill weight • Support roller cannot be used • Alternative to double ended system • ‘H’ Outer > ‘H’ Inner + 2X outer link height. • ‘H’ dimension of outer carrier must be larger than inner carrier • Width must be the same for inner and outer carrier
- 12. #DWwebinar Combination Horizontal and Vertical • Not recommended for long or heavy applications • Upper bracket may need additional support
- 13. #DWwebinar Side Mounted • Should be supported from beneath • Useful in high speed applications • For long Rotary Travels, Trough should be lined with UHMW or HDPE • Metal carrier may need “Skid Blocks”
- 14. #DWwebinar Rotational • Must be supported from beneath • Inner or outer rotationR1 R2 • Maximum of 720° Rotation • Required information: • Inner radius • Outer radius • Inner or outer drum motion • Angular displacement • Mounting location
- 15. #DWwebinar Selecting Construction Does the environment require an enclosed carrier? What is the required unsupported span? What are the commercial issues? Are there high velocities or accelerations?
- 16. #DWwebinar Plastic Vs. Steel As a general rule, plastic carriers are: • Lighter • Less Expensive • Easier to access As a general rule, plastic carriers are: • Heavier • More robust • More expensive • Harder to access
- 17. #DWwebinar Open Vs. Enclosed Are there chips present? Are the chips red hot?
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- 39. #DWwebinar QUALITY – KEYENCE MEASURING
- 41. #DWwebinar LEAN
- 42. #DWwebinar • Custom design (sheet metal ; plastic part) • NPD • 2D AutoCAD / 3D Solidworks • FEA analysis • Rapid prototyping • FMEA / PFMEA • APQP • CNC programming • Project management • Research & Development • Costing / T&M’s • ECN’s Capabilities to look for
- 43. #DWwebinar • NPD
- 45. #DWwebinar NPD • NEW MA SERIES 1 2 4 3 1 1. Locking feature utilizes proven extrude technology currently used on other AWP products (SX). Extrude allows for greater unsupported spans 2. Same “self-cleaning” feature with peanut slot located on outside of part. 3. Utilizes same bar, screw and rivet components as current GX. 4. More reliable performance (smoother rotation, etc.) due to increased link to link engagement. 5. Simpler part design allows for more robust manufacturing process. 5 6 CURRENT GX SERIES
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- 48. #DWwebinar • A P Q P
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- 52. #DWwebinar R & D
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- 56. #DWwebinar R & D
- 57. #DWwebinar R & D
- 58. #DWwebinar Every cable carrier has a unsupported span. This span is a condition of link construction and the fill weight of the cables and hoses being carried. As the unsupported span of the carrier is exceeded, the carrier begins to sag. Long Travels 0 4 8 12 16 20 24 28 0 2 4 6 8 10 12 14 16 18 20 22 24 Unsupported Length (FT.) Cable/HoseWeight(lbs./ft.) SC S L XL
- 59. #DWwebinar In plastic carrier systems, sag is considered to be acceptable in most applications. Long Travels The most common method of support in plastic carrier applications where unsupported spans are exceeded is to install a guide trough to prevent lateral movement during travel. When this sag reaches the point where the upper (moving) section of the carrier contacts the lower section, the application is defined as long travel and support guidance is required.
- 60. #DWwebinar Trough Systems Deep Style Shallow Style In a center mounted application, the trough consists of two Styles: Deep and Shallow. As the carrier begins to travel from the retracted position, it initially sags and rides on itself. When the gliding section passes the center point, it transitions to the shallow trough segment.
- 61. #DWwebinar Trough Systems Deep Style Shallow Style In a center mounted application, the trough consists of two Styles: Deep and Shallow. As the carrier begins to travel from the retracted position, it initially sags and rides on itself. When the gliding section passes the center point, it transitions to the shallow trough segment.
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- 63. #DWwebinar F = (m * a) + (m * g * u) F = Max. pulling (Towing) force (Lbs) m = Mass of system - Empty track weight plus additional cable/hose load (lb.) a = Max. Acceleration (ft/sec2) g = Acceleration due to gravity (32.20 ft/sec2) u = Coefficient of Friction 866.00 Track Length (in) 5.50 Empty Track weight/ft. (lbs./ft.) 9.05 Cable/Hose weight/ft. (lbs/ft.) 0.03 Acceleration (G's) 32.20 Acceleration due to gravity (ft./sec2) 0.20 Coefficient of Friction 241.62 Total Towing Force (Lb.) Towing Force Calculation
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- 80. #DWwebinar Meet your Speakers FEATURED SPEAKER Mark Zanolla Gortrac Engineering Manager Dynatect Manufacturing, Inc. FEATURED SPEAKER Mark Cunningham Gortrac Sales Manager Dynatect Manufacturing, Inc.
- 81. #DWwebinar q This webinar will be available at designworldonline.com & email q Tweet with hashtag #DWwebinar q Connect with Design World q Discuss this on EngineeringExchange.com Don’t Forget!
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