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220V High Precison Electric Cylinder Actuators /Ball Screw Linear Servo Actuator

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220V High Precison Electric Cylinder Actuators /Ball Screw Linear Servo Actuator

Brand Name : TJ
Model Number : TJE065,TJE075,TJE095,TJE110
Certification : ISO9001:2008,CE
Place of Origin : China
MOQ : 1 pcs
Price : negotiable
Payment Terms : T/T,30% payment in advance,70% before dilivery
Supply Ability : 800 pcs per month
Delivery Time : 3-4 weeks
Packaging Details : external packing:carton or non wooden box;cushion packing:EPE foam
material : aluminium
color : standard:navy blue&silvery,others can be customized
speed : ≥500mm/s
repeatability : ±0.01mm
stroke : 60~200mm
output force : 1.76KN~30KN
motor connection type : linear/parallel
internal anti-rotation : with/without
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High Precison&Speed Electric Cylinder With Long Working Life And Maintenance-free For Warp Knitting Machine

1. Specifications:


Material

★ Shell : forging aluminium alloy, smooth ,elegant appearance.

★ Extension Rod : high alloy steel, corrosion resistant.

Precision

★ Usually take both repeatability and motor precision into consideration. Should not take push rod of electric cylinder as guidance for straightness.The customer should design own guide mechanism.

★ Motor being connected parallel will decrease the precision compared with connected directly because it need to through synchronous belt gear.

Velocity★ Take the lifetime into special consideration under motion in high velocity(more than 200mm/s).The loading ability and precision will both decrease at the same time.
Stroke★ The stroke of model-selected should be 20-50mm larger than the effective stroke because we need to save space for slowing down and stopping after the push rod meeting the limited switch.Faster speed , larger space.
Thrust★ Gear drive will bring more thrust than synchronous belt drive under motor in parallel.
Operational Cycle Time★ Run frequently(more than 50%) or continuously by using ball screw.
Motor Choice

★ AC servo motor: high precision, high velocity ,great thrust and equilibrium step.

★ Stepping motor: high precision, slow velocity and not very great thrust (less than 600kg).

★ Normal DC motor can be implemented to regulate speed but not be positioned.

★ Normal asynchronous motor can't be regulated speed and positioned.


Special Production(Optional):
★ Special installation,preservation,dust prevention, dampproof

★ High&low temperature environment

★ Waterproof at sea, anti-explosion work

★ Linear displacement sensor

★ Pressure sensor

★ Resistance swing mechanism

★ Planetary gearbox

★ Motor: AC servo motor, DC brushless motor, stepping motor,DC motor,AC frequency conversion motor, etc.

2. Electric Cylinder Selection Guidance


(1) The relationship between the motor output torque and the output force of the electric cylinder:


F=T×η×2π×R/L
★ F: electric cylinder output force, Unit: Kn

★ T: motor output torque, Unit: Nm

★ R: Reduction ratio

★ L: Screw lead,Unit: mm

★ η: efficiency (generally the total efficiency is 85%, but the actual efficiency will chage,it is based on the actual use conditions)


(2) The electric cylinder working life


The life of the electric cylinder generally refers to the internal use of the electric cylinder screw.It can be divided into two parts:


1). screw fatigue life, it can be got by calculating;

The following is a calculation method of the fatigue life .


L10=(Ca/Fm)3×L
★ L10: The life of the electric cylinder,unit: Km

★ Fm: Average load of electric cylinder,unit: Kn

★ Ca: Screw nut basic dynamic load, unit: Kn

(can be detected by screw samples)

★ L: Screw lead,unit: mm

2). another life, depending on the conditions of use ( such as temperature, dust, using the type of lubrication, and periodically add frequency, etc. ).This kind of life is often drawn from the experience.


(3) The calculation of the average load

Average load means:A cube average value be calculated according to the force,speed,time in different working areas during a working cycle.


The change in load of the electric cylinder

As shown below:



The average load of the electric cylinder is calculated as follows:


Adobe Systems



3. Compared With Hydraulic Cylinder & Pneumatic Cylinders


ItemsElectric cylinderHydraulic cylinderPneumatic Cylinders

Cost comparison

OperationsEasyComplexComplex

Environment

influence

Environmental & safeOil leakHigh noise
SafetySafeOil leakGas leak
Energy lossLow lossHigh lossHigh loss
LifetimeVery LongCan be long with proper maintenanceCan be long with proper maintenance
Cost performanceHighLowLow
MaintenanceAlmost maintenance freeFrequent & high costRegular & high cost

Function comparison

VelocityVery highMediumHigh
AccelerationVery highMediumHigh
RigidityVery highLowLow
Load abilityHighHighMedium
Shock resistance ability

High


High


Medium

Efficiency>90%<50%<50%
Location controlEasyHardHard
Location precisionVery highMediumMedium




4. Application areas:


★ Military equipment:radar, missile erector, armored vehicle swing platform, special equipment and other warships and aircraft hatch,opening, seat height adjustment, weapon tracking system,actuator,experimental lifting support, tank artillery high and low direction action adjustment, The push of rocket fuel, the opening of furnace door, etc.


★ Special equipment:industrial automation production line, assembly line, logistics transmission, lifting platform, offset control, valve control, coordinate manipulator, mechanical equipment CT Kama knife, food and medicine industry, CNC machine tools, industry packaging machine, Automotive electronic press, textile equipment winding machine indexing, die position control, clamping, drilling, positioning.


★ Experimental Equipment: Simulation platform, test bed, wave machine, testing equipment etc.


This type is especially suitable for :warp knitting machine, fast speed and quick response


5. Maintenance


★ Electric cylinder is refueled with lubricating grease GB7324-1994 general lithium base 3 lubricating grease when leaves factory.


★ After electric cylinder has run for 300 hours, refill the lubricating grease. Refueling frequency, per 2000hours one time as usual, it is determined on basis of the operating environment and day-to-day operational time.


★ Refueling method: open the filler hole on the shell of electric cylinder, turn the screw to find the filler hole on the screw nut and refuel lubricating grease.


★ Requirement for lubricating grease:GB7324-1994 general lithium base 3 lubricating grease.



Product Tags:

electric cylinder linear actuator

      

linear servo actuator

      
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