Mechanical Engineering
This solution extends ConceptDraw PRO v.9 mechanical drawing software (or later) with samples of mechanical drawing symbols, templates and libraries of design elements, for help when drafting mechanical engineering drawings, or parts, assembly, pneumatic,
"Directional control valves route the fluid to the desired actuator. They usually consist of a spool inside a cast iron or steel housing. The spool slides to different positions in the housing, and intersecting grooves and channels route the fluid based on the spool's position. The spool has a central (neutral) position maintained with springs; in this position the supply fluid is blocked, or returned to tank. Sliding the spool to one side routes the hydraulic fluid to an actuator and provides a return path from the actuator to tank. When the spool is moved to the opposite direction the supply and return paths are switched. When the spool is allowed to return to neutral (center) position the actuator fluid paths are blocked, locking it in position. Directional control valves are usually designed to be stackable, with one valve for each hydraulic cylinder, and one fluid input supplying all the valves in the stack. Tolerances are very tight in order to handle the high pressure and avoid leaking, spools typically have a clearance with the housing of less than a thousandth of an inch (25 µm). The valve block will be mounted to the machine's frame with a three point pattern to avoid distorting the valve block and jamming the valve's sensitive components. The spool position may be actuated by mechanical levers, hydraulic pilot pressure, or solenoids which push the spool left or right. A seal allows part of the spool to protrude outside the housing, where it is accessible to the actuator. The main valve block is usually a stack of off the shelf directional control valves chosen by flow capacity and performance. Some valves are designed to be proportional (flow rate proportional to valve position), while others may be simply on-off. The control valve is one of the most expensive and sensitive parts of a hydraulic circuit." [Hydraulic machinery. Wikipedia]
The Windows template "Hydraulic 4-ported 3-position valve" for the ConceptDraw PRO diagramming and vector drawing software is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
The Windows template "Hydraulic 4-ported 3-position valve" for the ConceptDraw PRO diagramming and vector drawing software is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Hydraulic directional control valve
A simple hydraulic schematic showing apparatus for testing the strength of a hydraulic hose splice.
Water enters through normally closed solenoid valve (1) and passes through intake flow meter (2) to high pressure pump (4). Intake water pressure is monitored by pressure gauge (3). The hose to be tested connects between pump (4) and normally open solenoid activated drain valve (7). To test the hose, pump drive motor (5) is turned on, the solenoid of drain valve (7) is activated, closing the valve, and the pump is run to pressurize the hose. Test pressure is monitored by gauge (6). When the test is complete or the hose fails, the solenoid of drain valve (7) is deactivated, opening valve and discharging water, depressurizing the system. All components are operated electrically by a remote control circuit so that the operator may perform the test from a protected location, monitoring it with a camera and video monitor.
This hydraulic schematic example was redrawn using ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: Hydraulic schematic.jpg.
[commons.wikimedia.org/ wiki/ File:Hydraulic_ schematic.jpg]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
[creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
The hydraulic schematic example "Apparatus for testing the strength of a hydraulic hose splice" is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Water enters through normally closed solenoid valve (1) and passes through intake flow meter (2) to high pressure pump (4). Intake water pressure is monitored by pressure gauge (3). The hose to be tested connects between pump (4) and normally open solenoid activated drain valve (7). To test the hose, pump drive motor (5) is turned on, the solenoid of drain valve (7) is activated, closing the valve, and the pump is run to pressurize the hose. Test pressure is monitored by gauge (6). When the test is complete or the hose fails, the solenoid of drain valve (7) is deactivated, opening valve and discharging water, depressurizing the system. All components are operated electrically by a remote control circuit so that the operator may perform the test from a protected location, monitoring it with a camera and video monitor.
This hydraulic schematic example was redrawn using ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: Hydraulic schematic.jpg.
[commons.wikimedia.org/ wiki/ File:Hydraulic_ schematic.jpg]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
[creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
The hydraulic schematic example "Apparatus for testing the strength of a hydraulic hose splice" is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Hydraulic system schematic
"Directional control valves are one of the most fundamental parts in hydraulic machinery as well and pneumatic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a spool inside a cylinder which is mechanically or electrically controlled. The movement of the spool restricts or permits the flow, thus it controls the fluid flow. ...
While working with layouts of hydraulic machinery it is cumbersome to draw actual picture of every valve and other components.instead of pictures symbols are used for variety of components in the hydraulic system to highlight the functional aspects. symbol for directional control valve is made of number of square boxes adjacent to each other depending on the number of positions.connections to the valve are shown on these squares by capital letters.usually they are named only in their normal position and not repeated in other positions.actuation system of the valve is also designated in its symbol." [Directional control valve. Wikipedia]
The Mac template "Pneumatic 5-ported 3-position valve" for the ConceptDraw PRO diagramming and vector drawing software is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
While working with layouts of hydraulic machinery it is cumbersome to draw actual picture of every valve and other components.instead of pictures symbols are used for variety of components in the hydraulic system to highlight the functional aspects. symbol for directional control valve is made of number of square boxes adjacent to each other depending on the number of positions.connections to the valve are shown on these squares by capital letters.usually they are named only in their normal position and not repeated in other positions.actuation system of the valve is also designated in its symbol." [Directional control valve. Wikipedia]
The Mac template "Pneumatic 5-ported 3-position valve" for the ConceptDraw PRO diagramming and vector drawing software is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Pneumatic directional control valve
The vector stencils library "Hydraulic pumps and motors" contains 74 symbols of hydraulic equipment.
Use these shapes for engineering drawings of fluid power and hydraulic control systems in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Use these shapes for engineering drawings of fluid power and hydraulic control systems in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Pump, hydraulic
Motor, hydraulic
Pump-motor, hydraulic
Pump, fixed, external drain
Pump, fixed, external drain
Pump, variable
Pump, variable, external drain
Pump, var., manual override
Pump, var., manual override, drain
Pump, var., solenoid
Pump, var., solenoid, drain
Pump, var., solenoid 2
Pump, var., solenoid 2, drain
Pump, var., var. solenoid
Pump, var., var. solenoid, drain
Pump, var., var. solenoid 2
Pump, var., var. solenoid 2, drain
Pump, var., var., roller
Pump, var., roller, drain
Motor, fixed, external drain
Motor, fixed, external drain
Motor, variable
Motor, variable, external drain
Motor, var., manual override
Motor, var., manual override, drain
Motor, var., solenoid
Motor, var., solenoid, drain
Motor, var., solenoid 2
Motor, var., solenoid 2, drain
Motor, var., var. solenoid
Motor, var., var. solenoid, drain
Motor, var., var. solenoid 2
Motor, var., var. solenoid 2, drain
Motor, var., var., roller
Motor, var., roller, drain
Pump-motor, fixed, external drain
Pump-motor, fixed, external drain
Pump-motor, variable
Pump-motor, variable, external drain
Pump-motor, var., manual override
Pump-motor, var., manual override, drain
Pump-motor, var., solenoid
Pump-motor, var., solenoid, drain
Pump-motor, var., solenoid 2
Pump-motor, var., solenoid 2, drain
Pump-motor, var., var. solenoid
Pump-motor, var., var. solenoid, drain
Pump-motor, var., var. solenoid 2
Pump-motor, var., var. solenoid 2, drain
Pump-motor, var., var., roller
Pump-motor, var., roller, drain
Pump, fixed 2
Pump, fixed 2, drain
Pump, variable (sgl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump, variable (sgl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump, variable (dbl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump, variable (dbl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Motor, fixed 2
Motor, variable (sgl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Motor, variable (dbl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Motor, fixed 2, drain
Motor, variable (sgl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Motor, variable (dbl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump-motor, fixed 2
Pump-motor, fixed 2, drain
Pump-motor, variable (sgl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump-motor, variable (sgl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump-motor, variable (dbl side)
-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump-motor, variable (dbl side), drain
,-drain-hydraulic-pumps-and-motors---vector-stencils-library.png--diagram-flowchart-example.png)
Pump, variable displacement
Motor, variable displacement
Pump-motor, variable displacement
Floating motor
Pressure compensator
Retract resistor check valve application: pneumatic cylinder, piston driven by Compressed air through 2 Retract resistor check valves.
"A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.
An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.
Heart valves are essentially inlet and outlet check valves for the heart ventricles, since the ventricles act as pumps." [Check valve. Wikipedia]
This hydraulic schematic example was redrawn using ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: Retract resistor check valve application.png.
[commons.wikimedia.org/ wiki/ File:Retract_ resistor_ check_ valve_ application.png]
The hydraulic engineering drawing example "Retract resistor check valve application" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
"A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.
An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.
Heart valves are essentially inlet and outlet check valves for the heart ventricles, since the ventricles act as pumps." [Check valve. Wikipedia]
This hydraulic schematic example was redrawn using ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: Retract resistor check valve application.png.
[commons.wikimedia.org/ wiki/ File:Retract_ resistor_ check_ valve_ application.png]
The hydraulic engineering drawing example "Retract resistor check valve application" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Hydraulic schematic
This example engineering drawing showing the hydraulic directional control valve usage with floating motor and pressure compensated pump is redesigned using the ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: DCV 17.jpg.
[commons.wikimedia.org/ wiki/ File:DCV_ 17.jpg]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
[creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"Directional control valves are one of the most fundamental parts in hydraulic machinery as well and pneumatic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a spool inside a cylinder which is mechanically or electrically controlled. The movement of the spool restricts or permits the flow, thus it controls the fluid flow. ...
The spool (sliding type) consists of lands and grooves.The lands block oil flow through the valve body. The grooves allow oil or gas to flow around the spool and through the valve body. There are two fundamental positions of directional control valve namely normal position where valve returns on removal of actuating force and other is working position which is position of a valve when actuating force is applied. There is another class of valves with 3 or more position that can be spring centered with 2 working position and a normal position. ...
Directional control valves can be classified according to:
(1) number of ports;
(2) number of positions;
(3) actuating methods;
(4) type of spool." [Directional control valve. Wikipedia]
The fluid power equipment drawing example "Directional control valve" is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
[commons.wikimedia.org/ wiki/ File:DCV_ 17.jpg]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
[creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"Directional control valves are one of the most fundamental parts in hydraulic machinery as well and pneumatic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a spool inside a cylinder which is mechanically or electrically controlled. The movement of the spool restricts or permits the flow, thus it controls the fluid flow. ...
The spool (sliding type) consists of lands and grooves.The lands block oil flow through the valve body. The grooves allow oil or gas to flow around the spool and through the valve body. There are two fundamental positions of directional control valve namely normal position where valve returns on removal of actuating force and other is working position which is position of a valve when actuating force is applied. There is another class of valves with 3 or more position that can be spring centered with 2 working position and a normal position. ...
Directional control valves can be classified according to:
(1) number of ports;
(2) number of positions;
(3) actuating methods;
(4) type of spool." [Directional control valve. Wikipedia]
The fluid power equipment drawing example "Directional control valve" is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Hydraulic equipment schematic
The vector stencils library "Fluid power equipment" contains 113 symbols of hydraulic and pneumatic equipment including pumps, motors, air compressors, cylinders, meters, gauges, and actuators.
Use it to design fluid power and hydraulic control systems in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Use it to design fluid power and hydraulic control systems in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Actuator (semi-rotary), pneumatic
,-pneumatic-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Actuator (semi-rotary), hydraulic
,-hydraulic-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Drive unit, pneumatic
Drive unit, hydraulic
Sgl-act. cylinder, pneum., left spring
Sgl-act. cylinder, pneum., right spring
Sgl-act. cylinder, pneumatic
Sgl-act. cylinder, hydr., left spring
Sgl-act. cylinder, hydr., right spring
Sgl-act. cylinder, hydraulic
Dbl-act. cylinder, pneumatic
Dbl-act. cylinder, pneum., sgl cushion
Dbl-act. cylinder, pneum., dbl cushion
Dbl-act. cylinder, pneum., adjustable
Dbl-act. cylinder, pneum., sgl cushion, adj.
Dbl-act. cylinder, pneum., dbl cushion, adj.
Dbl-act. cylinder, hydraulic
Dbl-act. cylinder, hydr., sgl cushion
Dbl-act. cylinder, hydr., dbl cushion
Dbl-act. cylinder, hydr., adjustable
Dbl-act. cylinder, hydr., sgl cushion, adj.
Dbl-act. cylinder, hydr., dbl cushion, adj.
Dbl-act. cylinder, magnetic
Dbl-act. cylinder, magn., sgl cushion
Dbl-act. cylinder, magn., dbl cushion
Dbl-act. cylinder, magn., adjustable
Dbl-act. cylinder, magn., sgl cushion, adj.
Dbl-act. cylinder, magn., dbl cushion, adj.
Dbl-act. dbl-end. cylinder, pneumatic
Dbl-act. dbl-end. cylinder, pneum., sgl cushion
Dbl-act. dbl-end. cylinder, pneum., dbl cushion
Dbl-act. dbl-end. cylinder, pneum., adjustable
Dbl-act. dbl-end. cylinder, pneum., sgl cushion, adj.
Dbl-act. dbl-end. cylinder, pneum., dbl cushion, adj.
Dbl-act. dbl-end. cylinder, hydraulic
Dbl-act. dbl-end. cylinder, hydr., sgl cushion
Dbl-act. dbl-end. cylinder, hydr., dbl cushion
Dbl-act. dbl-end. cylinder, hydr., adjustable
Dbl-act. dbl-end. cylinder, hydr., sgl cushion, adj.
Dbl-act. dbl-end. cylinder, hydr., dbl cushion, adj.
Telescopic cylinder, pneum., dbl-act.
Telescopic cylinder, hydr., dbl-act.
Telescopic cylinder, pneum., sgl-act.
Telescopic cylinder, hydr., sgl-act.
Actuator, hydraulic-pneumatic
Actuator, pneumatic-hydraulic
Intensifier, pneumatic
Intensifier, hydraulic
Intensifier, hydraulic-pneumatic
Intensifier, pneumatic-hydraulic
Intensifier, pneumatic-hydraulic
Intensifier, hydraulic-pneumatic
Actuator, pneumatic-hydraulic
Actuator, hydraulic-pneumatic
Accumulator
Accumulator, gas loaded
Accumulator, spring loaded
Accumulator, auxiliary gas bottle
Air receiver
Energy source, pneumatic
Energy source, hydraulic
Energy source, electric motor
Energy source, non-electric prime mover
Vented reservoir
Sealed reservoir
Filter
Filter, magnetic element
Filter, contamination indicator
Automatic drain filter separator
Manual drain filter separator
Separator, automatic drain
Separator, manual drain
Air dryer
Lubricator
Air service unit, filter, separator
Air service unit, separator
Air service unit, filter
Air service unit
Liquid cooler
Gas cooler
Cooler
Liquid heater
Gas heater
Heater
Liquid temperature controller
Gas temperature controller
Temperature controller
Liquid temperature controller 2
Gas temperature controller 2
Temperature controller 2
Pressure indicator
Pressure gauge
Differential pressure gauge
Thermometer
Liquid level measuring instrument
Flow indicator
Flow meter
Integrating flow meter
Tachometer
Torque measurement equipment
Pressure switch
Limit switch
Transducer
Pulse counter
Pulse counter 2
Silencer
Drain (inlet below fluid, drain line)
-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Drain (inlet below fluid, return line)
-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Drain (inlet above fluid, drain line)
-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Drain (inlet above fluid, return line)
-fluid-power-equipment---vector-stencils-library.png--diagram-flowchart-example.png)
Oil tank
Oil tank, empty
Air compressor
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