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circuits.
HYDRAULIC TROUBLESHOOTING: START WITH THE BASICS In any troubleshooting situation, no matter how simple or complex the hydraulic system, always start with the basics. This ensures that the obvious is never overlooked. In order for the 'obvious' to be obvious, the fundamental laws of hydraulics must be kept in mind H&P INSIGHTS: FILTERING OUT HYDRAULIC PROBLEMS; FIVE The Versatility of Pneumatics. The physics of pneumatics are well-accepted. The application of pneumatics, as a Hydraulics & Pneumatics articles notes, is limited not by the force that can be generated, but by the imagination of a designer. The article is a great reminder that motion is a law of nature but using that motion to accomplish such things as baking bread, moving melons or raising SEALS FOR HYDRAULIC CYLINDERS Pressure has been mounting to design and produce cylinders that offer superior sealing performance for enhanced reliability. This article provides an overview of hydraulic cylinders along with the various types of hydraulic seals for specification.KEY BELLEVILLES INC
About Us; Contact Us; Advertise; California Do Not Sell; Privacy & Cookie Policy; © 2021 Endeavor Business Media, LLC. All rightsreserved.
FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style H&P INSIGHTS: TROUBLESHOOTING CHALLENGE; SEEDING THE Troubleshooting Challenge. A company had a problem with a coating and slitting line. The clamp function was slow and weak. The hydraulic power unit had two circuits, each with its own pump, and the pumpswere identical.
ENGINEERING ESSENTIALS: TYPES OF HYDRAULIC HOSE Download this article in .PDF format. To say that hose is an important part of a hydraulic system is a huge understatement. The flexibility of hose enables components to be positioned in the most efficient or convenient places, because the hose has the ability to bend around corners, through tight spaces, or across long distances. WHICH HYDRAULIC FLUID SHOULD YOU USE? Most hydraulic systems will operate satisfactorily using a variety of fluids. These include engine oil, automatic transmission fluid and oil formulated specifically for the hydraulic compartment. But which type of fluid is best for a particular application? While it is not possible to make one, definitive recommendation that covers all types of hydraulic equipment in all applications, the HOW WELL DO YOU KNOW DIN 2353 FITTINGS? DIN 2353 fittings made of 1.4571 stainless steel fittings withstand harsh environments with the presence of: acids, dirt, high heat, shock and impacts, salts, vibrations, and. other corrosive substances in the air. Although DIN 2353 fittings and adapters made of 1.4571 stainless steel is especially important for applications requiring extreme HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. HYDRAULIC FITTINGS AND FLANGES BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. BOOK 2, CHAPTER 3: AIR-OIL CIRCUITS Book 2, Chapter 3: Air-Oil Circuits. Compressed air is suitable for low power systems, but air compressibility makes it difficult to control actuators smoothly and accurately. Some low power systems need smooth control, rigidity, or synchronization capabilities normally associated with oil hydraulics. WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM HOW WELL DO YOU KNOW DIN 2353 FITTINGS? DIN 2353 fittings made of 1.4571 stainless steel fittings withstand harsh environments with the presence of: acids, dirt, high heat, shock and impacts, salts, vibrations, and. other corrosive substances in the air. Although DIN 2353 fittings and adapters made of 1.4571 stainless steel is especially important for applications requiring extreme HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. HYDRAULIC FITTINGS AND FLANGES BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. BOOK 2, CHAPTER 3: AIR-OIL CIRCUITS Book 2, Chapter 3: Air-Oil Circuits. Compressed air is suitable for low power systems, but air compressibility makes it difficult to control actuators smoothly and accurately. Some low power systems need smooth control, rigidity, or synchronization capabilities normally associated with oil hydraulics. WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM HOW WELL DO YOU KNOW DIN 2353 FITTINGS? DIN 2353 fittings made of 1.4571 stainless steel fittings withstand harsh environments with the presence of: acids, dirt, high heat, shock and impacts, salts, vibrations, and. other corrosive substances in the air. Although DIN 2353 fittings and adapters made of 1.4571 stainless steel is especially important for applications requiring extreme HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can JUNE 2021 | HYDRAULICS & PNEUMATICS Researchers replicated a century-old valve and found it can be used in novel ways, including directing streams within flow networks andcircuits.
HYDRAULIC TROUBLESHOOTING: START WITH THE BASICS In any troubleshooting situation, no matter how simple or complex the hydraulic system, always start with the basics. This ensures that the obvious is never overlooked. In order for the 'obvious' to be obvious, the fundamental laws of hydraulics must be kept in mind H&P INSIGHTS: FILTERING OUT HYDRAULIC PROBLEMS; FIVE The Versatility of Pneumatics. The physics of pneumatics are well-accepted. The application of pneumatics, as a Hydraulics & Pneumatics articles notes, is limited not by the force that can be generated, but by the imagination of a designer. The article is a great reminder that motion is a law of nature but using that motion to accomplish such things as baking bread, moving melons or raising SEALS FOR HYDRAULIC CYLINDERS Pressure has been mounting to design and produce cylinders that offer superior sealing performance for enhanced reliability. This article provides an overview of hydraulic cylinders along with the various types of hydraulic seals for specification.KEY BELLEVILLES INC
About Us; Contact Us; Advertise; California Do Not Sell; Privacy & Cookie Policy; © 2021 Endeavor Business Media, LLC. All rightsreserved.
FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style H&P INSIGHTS: TROUBLESHOOTING CHALLENGE; SEEDING THE Troubleshooting Challenge. A company had a problem with a coating and slitting line. The clamp function was slow and weak. The hydraulic power unit had two circuits, each with its own pump, and the pumpswere identical.
ENGINEERING ESSENTIALS: TYPES OF HYDRAULIC HOSE Download this article in .PDF format. To say that hose is an important part of a hydraulic system is a huge understatement. The flexibility of hose enables components to be positioned in the most efficient or convenient places, because the hose has the ability to bend around corners, through tight spaces, or across long distances. WHICH HYDRAULIC FLUID SHOULD YOU USE? Most hydraulic systems will operate satisfactorily using a variety of fluids. These include engine oil, automatic transmission fluid and oil formulated specifically for the hydraulic compartment. But which type of fluid is best for a particular application? While it is not possible to make one, definitive recommendation that covers all types of hydraulic equipment in all applications, the HOW WELL DO YOU KNOW DIN 2353 FITTINGS? DIN 2353 fittings made of 1.4571 stainless steel fittings withstand harsh environments with the presence of: acids, dirt, high heat, shock and impacts, salts, vibrations, and. other corrosive substances in the air. Although DIN 2353 fittings and adapters made of 1.4571 stainless steel is especially important for applications requiring extreme HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. HYDRAULIC FITTINGS AND FLANGES GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM CHECKLIST FOR MATCHING AIR CYLINDERS TO LOAD REQUIREMENTS Checklist for matching air cylinders to load requirements. Several calculations can bring you close — probably very close — to the right cylinder size, but in the long run, it’s best to test. When applications involve linear motion, high speed, and moderate loads, air cylinders are often the first choice to provide the actuation. NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. HYDRAULIC FITTINGS AND FLANGES GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM CHECKLIST FOR MATCHING AIR CYLINDERS TO LOAD REQUIREMENTS Checklist for matching air cylinders to load requirements. Several calculations can bring you close — probably very close — to the right cylinder size, but in the long run, it’s best to test. When applications involve linear motion, high speed, and moderate loads, air cylinders are often the first choice to provide the actuation. NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM JUNE 2021 | HYDRAULICS & PNEUMATICS Researchers replicated a century-old valve and found it can be used in novel ways, including directing streams within flow networks andcircuits.
BASICS OF PNEUMATIC LOGIC Basics of Pneumatic Logic. In this age of digital electronics, air logic can still provide a simple, effective, and reliable means of machine control. Electrical and electronic devices control most fluid power circuits. Relay logic circuits, programmable controllers, or computers are common control methods. But another way to controlpneumatic
H&P INSIGHTS: FILTERING OUT HYDRAULIC PROBLEMS; FIVE The Versatility of Pneumatics. The physics of pneumatics are well-accepted. The application of pneumatics, as a Hydraulics & Pneumatics articles notes, is limited not by the force that can be generated, but by the imagination of a designer. The article is a great reminder that motion is a law of nature but using that motion to accomplish such things as baking bread, moving melons or raising H&P INSIGHTS: TROUBLESHOOTING CHALLENGE; SEEDING THE Troubleshooting Challenge. A company had a problem with a coating and slitting line. The clamp function was slow and weak. The hydraulic power unit had two circuits, each with its own pump, and the pumpswere identical.
HYDRAULIC TROUBLESHOOTING: START WITH THE BASICS In any troubleshooting situation, no matter how simple or complex the hydraulic system, always start with the basics. This ensures that the obvious is never overlooked. In order for the 'obvious' to be obvious, the fundamental laws of hydraulics must be kept in mindKEY BELLEVILLES INC
About Us; Contact Us; Advertise; California Do Not Sell; Privacy & Cookie Policy; © 2021 Endeavor Business Media, LLC. All rightsreserved.
SEALS FOR HYDRAULIC CYLINDERS Pressure has been mounting to design and produce cylinders that offer superior sealing performance for enhanced reliability. This article provides an overview of hydraulic cylinders along with the various types of hydraulic seals for specification. FUNDAMENTALS OF QUICK-ACTING COUPLINGS With one quick-acting coupling half on every tool and the mating half on the air line, tool changing is accomplished in seconds. Without the couplings, separate air lines would be needed for each tool; the mass of tools and lines would clutter the workstation and could slow down production. On hydraulic test stands, quick-acting couplings SOLENOID TROUBLESHOOTING CHECKLIST When a solenoid is first energized, its coil receives a pulse of high inrush current that decreases as the plunger closes. If the plunger does not close, the high inrush current continues, which can cause the coil to overheat and burn out. This is the most common cause of solenoid failure and spotting it is easy. UNDERSTANDING COUNTERBALANCE VALVES Hank Ayers. May 29, 2018. Counterbalance valves are used with cylinders to safely hold suspended loads and deal with over-running loads. This valve can also be used with hydraulic motors and is then commonly called a brake valve. Both counterbalance valves and pilot-operated check valves can be used to lock fluid in a cylinder toprevent drifting.
HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. HYDRAULIC FITTINGS AND FLANGES GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM CHECKLIST FOR MATCHING AIR CYLINDERS TO LOAD REQUIREMENTS Checklist for matching air cylinders to load requirements. Several calculations can bring you close — probably very close — to the right cylinder size, but in the long run, it’s best to test. When applications involve linear motion, high speed, and moderate loads, air cylinders are often the first choice to provide the actuation. NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM HOME | HYDRAULICS & PNEUMATICSFLUID POWER BASICSHYDRAULIC VALVESHYDRAULIC PUMPS & MOTORSCYLINDERS AND ACTUATORS Hydraulics & Pneumatics Blogs. Bringing Legacy Machines into the 21st Century. May 04, 2021. Community. Hannover Messe Adapts and Changes. May 04, 2021. News. Featured. H&P Insights: First Step in Asset Management; Sensors on the Move. FITTING THREAD SEALANT Edited By Mary C. Gannon. Loctite 5452 thread sealant is for use on high-pressure hydraulic and pneumatic metal fittings. It cures four times faster than anaerobic sealants on stainless steel or inert metals. It works on any size NPT, O-ring boss, or JIC fitting, and prevents rotation and leakage. It seals mating surfaces of flare-style BOOK 2, CHAPTER 17: REGENERATION CIRCUITS The same cylinder, with 10 gpm flowing into the cap end while the rod end is connected to tank, would extend at 231 ipm or 1/5 the speed of the regeneration circuit. Figure 17-2 shows the forces and speeds of this same cylinder as it retracts. Thrust is 8000 lb, but speed is only 288 ipm. Fig. 17-2. HYDRAULIC FITTINGS AND FLANGES GETTING TO THE ROOT OF HYDRAULIC NOISE PROBLEMS Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.. UQM produces motors and inverters ranging in power transmission capability to 250 kW. ONE SIMPLE WAY TO REMOVE WATER FROM HYDRAULIC OILSEE MORE ON HYDRAULICSPNEUMATICS.COM CHECKLIST FOR MATCHING AIR CYLINDERS TO LOAD REQUIREMENTS Checklist for matching air cylinders to load requirements. Several calculations can bring you close — probably very close — to the right cylinder size, but in the long run, it’s best to test. When applications involve linear motion, high speed, and moderate loads, air cylinders are often the first choice to provide the actuation. NO SUBSTITUTE FOR SAFETY NO substitute for safety. Although a forklift can be used as an aerial platform, a forklift’s hydraulic system does not have the same redundant safety components as an aerial platform. An improperly made hydraulic hose assembly, coupled with unsafe working practices, can HOW TO RECOGNIZE AND AVOID THE COMMON CAUSES OF O-RING How to recognize and avoid the common causes of O-ring failure By M. Messinger O-ring seals serve many fluid-power systems very well, but applying them still requires some knowledge and care. O-rings are the most commonly used seals in fluid-power WHEN HYDRAULIC MOTOR CASE-DRAINS ARE OPTIONAL—UNLESS YOUSEE MORE ON HYDRAULICSPNEUMATICS.COM BASICS OF PNEUMATIC LOGIC Basics of Pneumatic Logic. In this age of digital electronics, air logic can still provide a simple, effective, and reliable means of machine control. Electrical and electronic devices control most fluid power circuits. Relay logic circuits, programmable controllers, or computers are common control methods. But another way to controlpneumatic
HYDRAULIC TROUBLESHOOTING: START WITH THE BASICS In any troubleshooting situation, no matter how simple or complex the hydraulic system, always start with the basics. This ensures that the obvious is never overlooked. In order for the 'obvious' to be obvious, the fundamental laws of hydraulics must be kept in mind H&P INSIGHTS: FILTERING OUT HYDRAULIC PROBLEMS; FIVE The Versatility of Pneumatics. The physics of pneumatics are well-accepted. The application of pneumatics, as a Hydraulics & Pneumatics articles notes, is limited not by the force that can be generated, but by the imagination of a designer. The article is a great reminder that motion is a law of nature but using that motion to accomplish such things as baking bread, moving melons or raising H&P INSIGHTS: TROUBLESHOOTING CHALLENGE; SEEDING THE Troubleshooting Challenge. A company had a problem with a coating and slitting line. The clamp function was slow and weak. The hydraulic power unit had two circuits, each with its own pump, and the pumpswere identical.
SEALS FOR HYDRAULIC CYLINDERS Pressure has been mounting to design and produce cylinders that offer superior sealing performance for enhanced reliability. This article provides an overview of hydraulic cylinders along with the various types of hydraulic seals for specification. THE CASE FOR ELECTRO-HYDRAULIC ACTUATORS Electric actuators typically operate in the 75 to 80% efficiency range. In comparison, hydraulics typically range from 40 to 55% in efficiency and pneumatics have efficiencies in the 10 to 25% range. Many factors determine the efficiencies of fluid-power systems, including temperature, pressure, compressor designs, seal integrityand system leaks.
FUNDAMENTALS OF QUICK-ACTING COUPLINGS With one quick-acting coupling half on every tool and the mating half on the air line, tool changing is accomplished in seconds. Without the couplings, separate air lines would be needed for each tool; the mass of tools and lines would clutter the workstation and could slow down production. On hydraulic test stands, quick-acting couplings SOLENOID TROUBLESHOOTING CHECKLIST When a solenoid is first energized, its coil receives a pulse of high inrush current that decreases as the plunger closes. If the plunger does not close, the high inrush current continues, which can cause the coil to overheat and burn out. This is the most common cause of solenoid failure and spotting it is easy. UNDERSTANDING COUNTERBALANCE VALVES Hank Ayers. May 29, 2018. Counterbalance valves are used with cylinders to safely hold suspended loads and deal with over-running loads. This valve can also be used with hydraulic motors and is then commonly called a brake valve. Both counterbalance valves and pilot-operated check valves can be used to lock fluid in a cylinder toprevent drifting.
HOW TO SIZE A HYDRAULIC TANK The rules of thumb for reservoir size differ for open and closed circuits. For a conventional reservoir used in open circuits the general rule is a tank oil capacity of 3 to 5 times the flow of the pump(s) per minute plus a 10 percent air cushion. For HFC and HFD fire-resistant fluids the general rule is 5 to 8 times pump flow perminute.
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Art Moore, Ray Ferwerda and Koop Ferwerda are being recognized for their inventions and industry service.Community
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FLUID POWER FUNDAMENTALSOct 5th, 2020
Download this heavy duty primer on H&P technologies for industrialapplications!
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DESIGN SUMMIT 2020, DAY 1Nov 16th, 2020
New technologies and solutions highlight the event’s kickoff.Community
PRODUCT BLITZ: STAY ON TOP OF INNOVATIONSNov 12th, 2020
Featured this week: Endress+Hauser, Webtec, High Pressure Equipment Company, Schaeffler Group USA Inc., HYDAC and Turck.Gallery
DEVELOPMENTS IN RADIAL PISTON MOTORS ADD FUNCTIONALITY IN MOBILEEQUIPMENT
Nov 11th, 2020
New features tackle new demands from mobile machine OEMs and end-users in the mining, construction and agriculture industries. Hydraulic Pumps & Motors">Hydraulic Pumps & Motors Sign up for Hydraulics & Pneumatics eNewslettersSign Up
Cylinders & Actuators ADVANCED HYDRAULICS AND CONTROLS MAKE CALENDERING MORE PRECISE ANDEFFICIENT
Nov 18th, 2020
HYDRAULIC LOCKS PROTECT AGAINST UNPLANNED MOVES AND DROPPED LOADSNov 17th, 2020
CONTROLLING HYDRAULIC PRESSURENov 16th, 2020
Hydraulic Valves
MODELING PRESSURE CHANGES IN HYDRAULIC SYSTEMSNov 18th, 2020
TROUBLESHOOTING CHALLENGE: PRESSURE POSES PROBLEMNov 17th, 2020
VEHICLE MAINTENANCE GETS A LIFT FROM HYDRAULICSNov 13th, 2020
Hydraulic Pumps & Motors HYDRAULIC SYSTEM REDESIGN CUTS FUEL COSTSNov 17th, 2020
SAW LINE HANDLES UNIQUE WORKPIECESNov 17th, 2020
COMMON MODES OF FAILURE FOR HYDRAULIC PISTON PUMPSNov 16th, 2020
DEVELOPMENTS IN RADIAL PISTON MOTORS ADD FUNCTIONALITY IN MOBILEEQUIPMENT
Nov 11th, 2020
THE BENEFITS OF BACK-TO-BACK HYDRAULIC PUMPSNov 5th, 2020
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PRODUCT BLITZ: STAY ON TOP OF INNOVATIONSNov 12th, 2020
Featured this week: Endress+Hauser, Webtec, High Pressure Equipment Company, Schaeffler Group USA Inc., HYDAC and Turck. Facebook icon Twittericon LinkedIn icon
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