B ASICS OF I NDUSTRIAL C YLINDERS www.zemarc.com/parkercylinders www.zemarc.com/engineering Zemarc Fluid Power | www.zemarc.com/training
A GENDA Hi, We’re Zemarc What is a Cylinder & How does it work? Specifying a Cylinder: What to Consider? T-shirt Drawing Q&A with Zemarc Engineering Zemarc Fluid Power | www.zemarc.com/training
P OWERFUL I DEAS S TART H ERE . 4 Locations 2 Parker Stores 2 Hydraulic Service Centers Zemarc Fluid Power | www.zemarc.com/training
Z EMARC S ERVICES Hydraulic Parker Store Zemarc Services Service Center Repairs Custom Parts & Systems We Have Stock! Pump & Motor Repairs HPUs Hydraulic Hoses Cylinder Repairs Manifolds JIC 37° & SAE 45° Fittings HPU Repairs Hose & Tube Assemblies Seal-Lok Fittings Mobile & Industrial Valves Test Stands & Flow Benches Metric & Pipe Fittings Testing Autoclave Coning, Threading & Bending Flanges & SAE Straight Thread Automatic Lubricating Systems Quick Couplings & Swivels Flow/ Pressure Testing (up to 10K psi) Custom Part Manufacturing Brass Fittings & Valves Hydraulic Fluid Testing Predictive Maintenance Hydraulic Hoses Valves & More Predictive Maintenance Inspection ISO Interchange Available Condition Monitoring Solutions Authorized Service Center Parts Interchange SAME DAY! ISO Interchange available on hose, fittings, Complete valves, filters, & more. See online tools: zemarc.com/tools Hose Assembly Our experts are ready to assist you! Services www.zemarc.com/servicecenter www.zemarc.com/services www.zemarc.com/parkerstore Zemarc Fluid Power | www.zemarc.com/training
E NGINEERING S OLUTIONS Standard HPUs Custom HPUs Custom Solutions Parker D, H, & V-Pak Customized to Your Specifications Complete Hydraulic Test Systems Flows from 1 to 15.6 GPM 5 to1000+ Gallon Reservoirs Customized HPU & Test Bench Assembly Pressures to 3000 PSI Overhead, Submerged, or L Shaped Reservoirs Advanced Hydraulic Motion Control 0.5 HP to 20 HP Flow & Pressure to Meet Your Requirement Accumulator and Gas Bottle Skids 5 to 40 Gallon Reservoirs Customized Controls and Diagnostics High Pressure Gas Systems Fixed Displacement Gear Pumps Skydrol Units Available Manifolds Pressure Compensated Piston Pumps Portable Power Units Available Variable Frequency Drives Available www.zemarc.com/engineering www.zemarc.com/HPU Zemarc Fluid Power | www.zemarc.com/training
P ARKER F ULL L INE D ISTRIBUTOR www.zemarc.com/parker Hydraulic & Pneumatic Hose & Fittings Filtration Filter Interchange Tool zemarc.com/filterinterchange Hose & Fitting Tools Process Control zemarc.com/fittingfinder & Instrumentation zemarc.com/hosefinder zemarc.com/crimpsource zemarc.com/safehose Hydraulic & Pneumatic Tools zemarc.com/qcinterchange zemarc.com/pumpcrossover zemarc.com/toolspec Zemarc.com/valvecrossover Hose, Tubing, & Fittings Pump & Motors | Cylinders | Valves Swivels, Valves, Adapters Accumulators | Cartridge Systems Brass Fittings & Valves Air Preparation (FRL) | Manifolds Quick Couplings Zemarc Fluid Power | www.zemarc.com/training
What is a Cylinder? & How Does it Work?
W HAT IS A C YLINDER ? Linear Actuator Extends the Rod Retracts the Rod Zemarc Fluid Power | www.zemarc.com/training
H OW D OES A C YLINDER W ORK ? Piston Rod Separates bore into Transfer two motion chambers Zemarc Fluid Power | www.zemarc.com/training
F LOW & S PEED Flow Rate = Rod Movement Speed Displacement in Rod End = Less Fluid (retraction) Retraction Speed > Extension Speed Zemarc Fluid Power | www.zemarc.com/training
P RESSURE Tensile Force Rod End Chamber Blind End Chamber Compression Force Zemarc Fluid Power | www.zemarc.com/training
C YLINDER F ORCE O UTPUT 𝐺 p = 𝐵 Zemarc Fluid Power | www.zemarc.com/training
M AX R ETRACTING F ORCE < E XTENDING F ORCE Zemarc Fluid Power | www.zemarc.com/training
4 K EY T AKEAWAY More flow = Faster Rod Speed Rod retracts faster than it extends More fluid pressure/ Bigger bore = more output force Extending force > retracting force Zemarc Fluid Power | www.zemarc.com/training
Specifying Hydraulic Cylinders
3 M AIN C ONSIDERATIONS FORCE SPEED STROKE Zemarc Fluid Power | www.zemarc.com/training
H YDRAULIC C YLINDERS De Desig ign n Consi sider derat ations ions • Force Required in Compression or Tension • Force = Pressure x Area of Piston • Stroke & Velocity Required • Orientation of the Actuator and Footprint Available • Side Loading and Deflection Zemarc Fluid Power | www.zemarc.com/training
H YDRAULIC C YLINDERS Heavy Duty Cylinders Medium Duty Cylinders 2H/3H Series 3L Series Available Between 1.50” – Bore Bore 8.00” Available Between 1.50” – 20.00” Max Pressure Rating 1000 – Max Pressure Pressure 2000psi Pressure Rating to 3000psi Similar Design Features as Design Design the 2H Series Cylinders Tie Rod Design Mount Variety of Mountings (Spherical Bearings, Flange, Trunnion, etc) Applications Used in Compression and Tension Applications Zemarc Fluid Power | www.zemarc.com/training
A PPLICATIONS Fatig tigue ue Testing ting Cy Cylinders inders – FAST T Series ies • Low Friction Piston and Rod Design • Chrome Plated Cylinder Bore to Accommodate High Cycle Testing Cu Custom om Actuato uators rs • Custom Designed to the Application • Large Bore, High Pressure Rating • Unique Mounting Designs Zemarc Fluid Power | www.zemarc.com/training
Seals Selecting the proper seal material depends on: • Cylinder working pressure • Cylinder speed • Operating temperature • Working medium • Application Zemarc Fluid Power | www.zemarc.com/training
L ET ’ S L OOK AT A CC CCESSORI ESSORIES ES Zemarc Fluid Power | www.zemarc.com/training
Mounting Styles The goal of every mounting style is to allow the mount to absorb force, which stabilizes the system for optimized performance. • Mounting style considerations: • Load • Speed • Cylinder motion Zemarc Fluid Power | www.zemarc.com/training
Rod Ends Zemarc Fluid Power | www.zemarc.com/training
C YLINDER J ACKKNIFING & B UCKLING • occurs when the rod is extended Buckling from the cylinder and bends under compressive load. • occurs when the piston and rod Jackknifing bearing of a cylinder are very close. Long and/or slender Stop Tubes fit around the cylinders are susceptible to rod inside the cylinder both jackknifing and between the piston and rod buckling when subjected to cap to prevent heavy compressive and/or overextension. side loads. Zemarc Fluid Power | www.zemarc.com/training
L INEAR P OSITION S ENSORS Design gn Con onsider ideratio ations ns for or String Pot Linear ear Po Position ion Sensors sors Types of Linear Position • Resolution and Accuracy LVDT Sensors Available • Redundancy Hall Effect • Repeatability • Hysteresis Optical • Desired Output – (Analog or Digital) • Environmental Operating Magnetostrictive Conditions • Vibration and Shock and more Zemarc Fluid Power | www.zemarc.com/training
C YLINDER C USHIONS Slow down the rod Prevent damage Zemarc Fluid Power | www.zemarc.com/training
HAS C YLINDER Parker’s Hybrid Actuation System solution adapts electromechanical concepts with a hydraulic actuator, delivering three times more power density than electric cylinders. With plug and play simplification, the result is an all-in-one actuation system that eliminates the need of a hydraulic power unit, hoses and valving. Applications Presses Performance Characteristics Plastic Injection Molding Push Force 1,500 LBF-150,000 LBF Plastic Blow Molding Rated Speed 2,400 RPM-4,000 RPM Automotive Transfer Lines Die Casting Output Power 0.8 HP - 9.3 HP (Continuous); Machining 27 HP (Peak) Assembly Line Bore Diameter 2.00” - 8.00” Steel Processing Rod Diameter 1” - 5.5” Cement Industry Zemarc Fluid Power | www.zemarc.com/training
H YDRAULIC C YLINDERS C HART Operating Max. Operating Series Size Stroke Material Mounting Pressure Temperature Bore:1.50” to 20. 0 0” 3046 psi 17 mounting 2H/ 3H Up to 196.85” -4 ° F to 302 ° F Rod: 5/8” to 8 ½” 210 bar styles available Bore: 0.78- 3.15” 3000 psi 13 mounting CHD Up to 5” -9.4 to 250 ° F Steel Rod: 0.47- 1.77” 207 bar styles available Bore: 0.78- 3.15” 2030 psi 6 mounting styles CHE Up to 6.5” -9.4 to 212 ° F Aluminum Alloy Rod:0.47- 2.2” 140 bar available Bore: 2- 8” Various lengths 18 mounting 2HX/3HX -10-165 ° F 3000 various Steel Rod: 1- 5.5” available styles available Bore: 1.5- 8” Various lengths Steel 9 mounting styles RDH -10-165 ° F 3000 various Rod: .625- 5.5” available Ductile Iron available Bore: 1- 8” 1000 psi Various lengths 16 mounting -10 ° -165 ° F 3L Steel Rod: 0.5- 5.5” 69 bar available styles available Bore: up to 17” 2000 psi 1026 Steel, A36 Various options SAT -40-275 ° F Rod: up to 16” 13.8 mpa Steel available Bore: 2.5- 8” Various lengths 14 mounting VH -10-165 ° F 3000 various Steel Rod: 1- 5.5” available styles available Bore: 2- 8” Up to 3000 psi Various lengths 19 mounting HAS 500 10-165 ° F Rod: 0.625- 5.5” 207 bar available styles available Zemarc Fluid Power | www.zemarc.com/training
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