Lakshmi Electro Controls & Automation
Peenya, Bengaluru, Karnataka
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Machine And Motion Controllers

Our range of products include injection molding machines hydraulic drives, pmac deltatau terbo / power pmac controllers, ck3e- omron and power brick controller.

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Product Details:
Brandkeb

If you’ve been reading our blog then you know that KEB is a leader in drive technology for Plastic machines.

 One application that KEB has a lot of experience in (10+ years & 100,000+ units installed) is operating hydraulic pump motors on injection molding machines.  The post gives an overview of the application and some of the advantages KEB brings to the table
Operating the hydraulic motor from the mains
Historically, injection molding pump motors were connected to the mains power and operated at a fixed speed with a simple on/off control.  With the motor running at a constant speed, the fluid volume and pressure were regulated through hydraulic valves.  While this control method is very straightforward and easy to implement, throttling with valves can be extremely inefficient and can create excessive heating in the system.

 Studies have shown that an injection molding machines hydraulic drives can account for nearly 50% of the machine’s energy usage – So improving the energy usage of the pump goes a long way in improving the overall machine efficiency.

 KEB’s Solution – ASCL Pump Control
It has been well documented that a pump’s speed and flow can be regulated by adding a VFD to the pump’s induction motor and controlling the motor speed with simple V/Hz control.  V/Hz control has the added benefit that it soft-starts the motor.  This is a big improvement over line-starting which causes large inrush currents and excessive mechanical wear.

 However, basic V/Hz control has some performance limitations – for example, it does not make any adjustments for the induction motor’s slip because there is no feedback mechanism.  Additionally, V/Hz control will have torque limitations at low speeds.
KEB’s ASCL motor control is the answer.  ASCL uses an advanced motor model and continuously measures the VFD’s output current and motor back EMF to precisely calculate the motor speed.  The drive is able to make small current adjustments on the microsecond level to provide the optimal operating point, even at reduced speeds

Retrofit Opportunities
Because ASCL does not require any feedback and can be used with any manufacturer of induction motor, it can be easily added to existing installations.

 Servo Pump Control

 

For even more responsive control, a servo motor can be used instead of an induction motor.  A PM servo motor will provide increased power density, responsiveness, and efficiency compared to an induction motor.  KEB’s SCL software functions much like ASCL except it is intended to be used with a Synchronous PM motor.  Again, the software does not require a feedback device and expensive encoder cabling but still provides exceptionally accurate speed regulation across a wide range.  All of KEB’s drive platforms support ASCL/SCL software.

Internal PID control

There are many ways the pump control can be handled.  Historically, the PID control was handled in the PLC or a dedicated pump controller and the VFD was simply given a speed command.  But another implementation is to let the VFD manage the PID control for the hydraulic drive.  In this arrangement, a PLC or machine controller would provide the drive with an analog input for the desired pressure setpoint.  A 2nd analog signal which measures the actual pressure is used as feedback in the control and is also fed to the drive.

 

 

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Product Details:
TypeAutomatic
Usagemotion controller
Digit Display SizeSingle Display


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REQUEST CALLBACK
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Approx. Rs 1.25 Lakh  / Piece Get Latest Price

Product Details:
Minimum Order Quantity1 Piece
Input Value125000
TypeAutomatic
UsageRobots / machines / Gantry / process automation
Digit Display SizeDual Display

High-speed multi-axis control
· Up to 32 axes of control
· Motion control period: 250 μs or more

Flexibility
· CAD/CAM for easy motion control
· Flexible function development capability enables high-precision curve machining

Saving space wiring
· Footprint reduced to 1/4 (Based on Omron investigation)
· EtherCAT for flexible system configuration

One of LECA Omron's aims is to help manufacturers build High-speed advanced Motion Control systems at a low cost In order to achieve this, Omron and Delta Tau Data Systems, Inc. are working together as one Omron Group to improve sophisticated Motion Control and Programmable Logic Control systems. These are the systems that are required for the next generation's automation systems around the world.
By combining global leading Delta Tau Data Systems' Motion Control technologies, Omron ILO+S (Input, Logic, Output, and Safety) control technologies can open up new applications and solutions.
The CK3E is a controller designed for precise multi-axis control.
You can build a system capable of controlling up to 32 axes of motion and incorporate customized control algorithms into the system.
The CK3E allows you to program in C language and reuse existing software assets.
The compact design saves space in machines and control panels. EtherCAT® connects servo drives, I/O, and other devices to the CK3E, reducing the number of cables
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Product Details:
Minimum Order Quantity1 Unit
Digit Display SizeSingle
Power Consumption24v
TypeMoton controler

Product Description:

Delta Tau is currently developing a new generation of Power PMAC products called the Power Brick product line. The Power Brick family of products can be ordered with built-in amplifiers for both AC and DC input voltages, Power Brick AC and Power Brick LV, or it can be used purely as a machine controller, as in the case of the Power Brick Controller.

Hardware Features:

  • 4/8 Axis with Output Options: 1) 16-Bit Dual DAC Outputs 2 12-Bit Dual Filtered PWM Outputs
  • Additional General Purpose 12-14v I/O: 1) 16 Digital Inputs 2 8 Digital Outputs
  • Modular CPU design which allows: 1) Usage of latest Power PMAC CPU 2) Supporting different CPU options: - Different peeds - Single/Dual ore - Different RAM/Flash izes - Video Output / Human Interface Device Connectivity
  • Transparent programming in Power PMAC Integrated Development Environment (IDE)
  • Low Cost MACRO (Real-time fieldbus based upon fiber Ethernet) Expandability
  • Built-in Analog Inputs / Outputs even on 8-Axis units
  • Secondary feedback support on all channels (Serial or Quadrature)
  • Multiple built-in Serial Encoder Protocols
  • EtherCAT Controller Option with support for: 1) COE -Synchronous Cyclic Position -Synchronous Cyclic Velocity - Synchronous Cyclic Torque 2) EOE 3) FOE
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Lakshmi Electro Controls & Automation

A. N. Girish(Proprietor)
No. 136-137/6, 8th Main, 3rd Phase Peenya Industrial Area
Bengaluru - 560058
Karnataka, India
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