Stamping press - All industrial manufacturers - DirectIndustry

C-frame press PPCU-50

Force: 50 kN
Stroke: 260 mm
Table width: 280, 450 mm

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... 50 Ton C Frame Press with a selector for selecting the work-mode, two speeds, a pressure switch and light guards in the frontal working area of the press. The cylinder stroke is easy to adjust with the ...

toggle press APK T3-40 series

Force: 15 kN
Stroke: 0 mm - 40 mm
Table width: 140 mm

... the high working pressure of the press is achieved using the toggle mechanism with a relatively low effort (approximately 150N) on the part of the user. Toggle presses are therefore used where the full force of the ...

toggle press APK T3-60 series

Force: 15 kN
Stroke: 0 mm - 60 mm
Table width: 140 mm

... pressure of the press is achieved by means of the toggle lever mechanism with relatively little effort on the part of the operator. mäder manual toggle presses can be upgraded with various extras which enhance the ...

toggle press APK T3-S-40 series

Force: 25 kN
Stroke: 40 mm
Table width: 145 mm

... the high working pressure of the press is achieved using the toggle mechanism with a relatively low effort (approximately 150N) on the part of the user. Toggle presses are therefore used where the full force of the ...

manual press 6 PHR

Force: 360 kgf
Opening: 20 mm - 250 mm
Stroke: 0 mm - 50 mm

... indicated with a pressure of 87 psi and is proportionally adjustable as standard from 44 to 87 psi. The ergonomics of the press has been thought out to keep the operator comfortable at his workstation even during repetitive ...

manual press 6 PHR C-MAX

Force: 360 kgf
Opening: 60 mm - 270 mm
Stroke: 0 mm - 50 mm

... indicated with a pressure of 6 bars and is proportionally adjustable as standard from 3 to 6 bars. The ergonomics of the press has been thought out to keep the operator comfortable at his workstation even during repetitive ...

manual press 8 PHR

Force: 700 kgf
Opening: 40 mm - 260 mm
Stroke: 0 mm - 100 mm

... indicated with a pressure of 6 bars and is proportionally adjustable as standard from 3 to 6 bars. The ergonomics of the press has been thought out to keep the operator comfortable at his workstation even during repetitive ...

hydraulic press ECS

Force: 40,000, 10,000 kN
Stroke: 2,000, 1,500 mm
Table width: 2,000, 2,500 mm

... manufacture state-of-the-art press systems. That is why we are proud to present you the new generation of compression press: the ECS PRESS. This multi-process press system ...

hydraulic press PHM series

Force: 10, 50 kN
Stroke: 50 mm
Table width: 255 mm

... force is not powerful enough. With this desktop hydraulic presses you can perform processes like marking, punching, drawing, stamping, deforming, etc. They are designed for use not only as stand-alone presses but also ...

hydraulic press RP

Force: 440 kN - 4,400 kN
Hydraulic pump power: 45 kW
Overall height: 1,050 mm

The “ RP” hydraulic horizontal press can be relied upon to carry out all bending and straightening tasks in heavy steel construction, vehicle construction and steel service centres. The straightening and bending process ...

hydraulic press YzS-T

Force: 20,000 kN - 50,000 kN
Opening: 2,600 mm - 4,000 mm
Stroke: 2,200, 2,600, 2,800, 3,000 mm

... High-quality parts with very thin walls can be produced. The speed profile in the stamping process is controllable. Greater flexibility in component production. Press configuration features optimized ...

hydraulic press HCT

Force: 30 tf - 250 tf
Opening: 600 mm - 800 mm
Rate (strokes/min): 600 p/min

HCT model, which is frequently preferred in single-action pressing processes, allows the workpiece to be easily assembled/disassembled and observed during the operation process, as its three sides are open. At the same time, the most ...

hydraulic press SAT

Force: 100 tf - 150 tf
Opening: 1,050 mm
Stroke: 300 mm - 300 mm

In addition to its adjustable down table mechanism, its t-slot table allows it to be mounted and processed on many different types of workpieces. In this way, most of the sheet metal forming operations can be done with the SAT model ...

hydraulic press SDT

Force: 100, 150, 50, 200 tf
Opening: 1,250 mm
Stroke: 400 mm

In addition to its adjustable down table mechanism, its t-slot table allows it to be mounted and processed on many different types of workpieces. In this way, most of the sheet metal forming operations can be done with the SDT model ...

mechanical press 2G

Force: 400, 450, 750 kN
Opening: 265 mm - 315 mm
Rate (strokes/min): 50 p/min - 250 p/min

Our four-column presses with double knuckle-joint mod. 2G, developed since the half of the Eighties with specific experience on this field, are specially designed for using dies for progressive pressing and coining at average production ...

mechanical press 4CL

Force: 250 kN
Weight: 1,600 kg

The OMPSA four columns presses mod. 4CL, developed since the half of the Sixties with specific experience on this field, are particularly suggested for that kind of workings that use dies of progressive working kind requiring middle and ...

mechanical press 2CN

Force: 250, 400 kN
Rate (strokes/min): 60 p/min - 1,000 p/min
Stroke: 2.5 mm - 40 mm

OMPSA two columns presses mod. 2CN, developed since the half of the Sixties with specific experience on this field, are particularly suggested works that use small progressive dies requiring middle and high speed production. The electric ...

mechanical press TSD series

Force: 8,000 kN - 32,000 kN
Rate (strokes/min): 45, 40 p/min
Stroke: 100 mm - 750 mm

... ability to provide rest times for in-die functions, processes such as welding and lasering can be integrated reliably into the press cycle. Your advantages Maximum production flexibility due to user-programmable stroke ...

A manipulator robot is made up of links joined together by joints, and these linkages form a kinematic chain. The end effector, which is similar to the human hand, is the functional end of the manipulator's kinematic chain. 

A gripper or an end effector with the ability to weld, paint, assemble, etc., can be used as the end effector. In this article, our experts will help you understand a robotic arm design - both the mechanical arm design and the electronic arm design. So, keep reading.

Robotics is the study, development, and use of robotic systems in production. The design of the robotic arm is created to assist various sectors in doing a job or work instead of employing human labour as manufacturing industry activities increase. Robots are typically used to carry out unpleasant, risky, excessively repetitive, and harmful activities. 

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Material handling, assembly, arc welding, resistance welding, machine tool load and unload functions, painting, spraying, and other tasks can all be done by robots. It is incredibly helpful since it does tasks with greater intellect, precision, and energy than humans do.

For instance, a robotic arm is frequently used in assembly or packaging lines to lift tiny things repeatedly, a task that would be too taxing for a person to perform for an extended length of time. The robotic arm can efficiently and quickly perform the light material lifting operation since it is not hampered by human weariness or health hazards.

What Is a Robotic Arm?

A robotic arm is a device constructed of linkages connected by appropriate joints so that it may move in space and with the degrees of freedom needed for the task at hand. Frequently, the robotic manipulator may be trained to do specific tasks. It is additionally referred to as anthropomorphic because of how close in function it is to a human hand.

The optimum robotics arm design reduces the product cycle time and cost since it boosts a robotic arm's efficiency and speed of operation by being able to duplicate the outcomes with a little mistake. The danger of damage is also significantly lower when there is no human involvement, making it simpler to handle hazardous materials.

6 Main Types Of Robotic Arm Designs

Cartesian Robot/Gantry Robot

This arm is made of three joints that are capable of being manipulated to make spatial movements. This type of robot may be used for a variety of tasks, including pick-and-place labour, operating machine equipment, arc welding, applying sealants, and assembly tasks.

Cylindrical Robot

This robot's axes are configured on a cylindrical coordinate system. Some typical uses include spot welding, managing machine tools, product assembly, and handling die-cast or other machines

Spherical Robot/Polar Robot

This kind of robot forms the polar coordinate system with its axes and is usually employed in gas, arc, and spot welding operations, die-casting mechanisms, and handling machine tools.

SCARA Robot

SCARA refers to Selective Compliance Assembly Robot Arm. It is particularly helpful for tiny robotic assembly processes. As its name implies, it has two parallel rotary joints that offer compliance in one place, while it is stiff in the other two. It manages the use of machine tools, the application of sealant, assembly processes, and pick-and-place activities.

Articulated Robot

This robot usually has three or more rotary joints in its arm. It can be used for dying, casting, gas & arc welding, spray painting, fettling equipment, and assembly processes.

Parallel Robot

A robot that has parallel rotary or prismatic joints. Robots of this kind are employed in optical fibre alignment and cockpit flight simulators.

The Different Components Of Robotic Arm Design

Base

One of the most crucial components of the robotic arm is its base. Because it serves as the foundation for the robotic arm, it is affected by the weight of all the other components, as well as the payload. The robotic arm base is equipped with a servo motor that works with the rotating shaft.

Forearm

The forearm determines the robot's range and moves more compared to the other components. The joint formed here is based on the elbow in the human arm, and similarly, its primary function is to support the weight that the arm is lifting. 

The shaft situated between the elbow and forearm joint serves as the arm's power source. Between this connection and the link with the base, the robot arm has a minimum angle of 130 degrees and a maximum angle of 160 degrees.

Shoulder

The shoulder joins with the rotating shaft and gives the robotic arm its rotational motion. This component has a shaft and key combination that is connected to the bottom. This is the section that transmits the rotating motion from the power source to the upper body of the robot arm.

Biceps

Much like the muscles in the human arm, the robot’s biceps move less than the forearm, but gives the forearm and wrist strength and stability. Its upper end has a shaft that allows it to revolve around the axis of the shoulder-elbow joint. 

This component's base has holes and a space between two expanded grooves where the wrist-creating joint 3 can be positioned. The shaft at the apex of the elbow is joined to the power source. The end of this part of the arm is where it rotates. 

Wrist

The robotic arm's wrist connects the forearm and the end effector and ensures the end effector’s precision. On the axis, it may revolve 360 degrees. However, the wrist's rotation can be limited because the robot's base itself rotates. The degree of rotation may be changed depending on the user's needs.

End Effector

The end effector, also known as end-of-arm tooling, is a gadget or tool that is attached to the end of a robotic arm, and which interacts with the robot’s assigned task. The design of an end effector, as well as the hardware and software that operate it, is dependent on the robot’s task or application. 

Servo Motor

The angular or linear position, velocity, and acceleration may be precisely controlled with a servo motor, a rotary or linear actuator. It comprises an appropriate motor connected to a position feedback sensor. It also needs a rather complex controller, frequently a special module created just for use with servomotors.

There are different ways that cobots are constructed from base to forearm, that determine it's flexibility. For example, UR cobots have 6 joints where 3 of them used in base, shoulder & elbow and other 3 are in wrist, which gives a lot more flexibility compared to robots with just 2 joints in wrist.

What Is Meant By Robotic Arm Design?

Mechanical Design of Robotic Arm

The mechanical design of a robotic arm, which was inspired by the human hand, consists of several connections that together comprise a kinematic chain. The joints that connect the links provide the system with its rotational and translational movement capabilities. An end effector is also usually added to the end of the wrist-joint where a human hand would be on a human arm. 

Degrees of Freedom

In robotics arm design, the degree of freedom (DoF) of a robot is calculated by subtracting the number of constraints on its mobility from the total number of freedoms of the rigid body. The joints are usually the reason for these mobility restrictions. 

Examples of joints that only allow one degree of freedom between the two bodies they link are revolute and prismatic joints. Joints that have more than one degree of freedom include spherical joints that have three relative degrees of space and universal joints that have two.

A robotic arm can be described by its degree of freedom. A bigger number indicates increased flexibility in aligning a tool, making it a significant parameter for robotic arm design. Take the case of a serial robot, where the number often refers to the number of single-axis rotating joints in the arm.

The end effector is positioned with five degrees of freedom in serial and parallel manipulator systems, consisting of three translational DoF and two for orientation. Thus, a direct relationship between actuator position and manipulator setup may be found.

Robot Workspace

The collection of all places that the end effector can reach is the robot workspace, sometimes referred to as accessible space. The link lengths, rotational and translational restrictions, the general design of the mechanism, and other factors all affect the workspace. By altering the connection lengths and permitted degrees of freedom for the mechanism, the work volume produced in this way specifies the usable space for the robot.

Electronics Design of Robotic Arm

Servo Motor Control

Servos can be either AD (battery-driven) or DC (input power source) motors. Servo motors often offer excellent torque to inertia ratios thanks to an internal gearing arrangement. Due to the feedback control loop, accuracy is relatively high. 

Small and portable DC servo motors are popular for use in toys, educational robotic applications, and RC planes. Servo motors typically have a rotational limit of between 90 and 180 degrees. However, certain motors can provide more angular motion. 

Due to their ability to deliver a high degree of spatial orientation precision, servo motors are an excellent choice for use in robot arms and legs, rack and pinion steering, and sensor scanners. Since these servos are entirely self-contained, setting up the velocity and angle control loops is straightforward.

Servo Wiring

Servo motors typically have three wires: The colour of the ground—black or brown—identifies it. "Red" serves to identify power. Signal wire can be distinguished by its yellow, orange, or white colour (3-5V).

Servo Voltage (Red and Black/Brown wires): The average working voltage range for servo motors is 4.8 to 6 volts. While certain Hitec servo motors are also available that work at a greater rated voltage, most micro-sized servo motors run at a lower voltage.

Signal Wire (Yellow/Orange/White wire): The black and red wires supply the servo motor with electricity, but the signal wire transmits the commands used to control the servo. A logic square wave of a certain wavelength (often 50 Hz) is typically transmitted to the servo, which causes it to be oriented at a given angle because the wavelength precisely corresponds to the servo angle. For instance, the Arduino Mega receives i/ps from the PC to produce a square wave, which then regulates the servomotor's angular direction.

Microcontroller (Basic Concept of Arduino)

Servo motors use microcontrollers to regulate their accuracy and angular position. One example is the single-board microcontroller, an Arduino, which can be configured to suit the application. It has on-board I/O structures, and USB power connectors, and is designed for an Atmel AVR CPU.

Robotic Arm Control: How to Control a Robot Arm?      

The robotic arms may be capable of autonomous operation or human control. In manual mode, a trained operator (programmer) instructs a robot to complete its mission and utilises a transportable control tool (a teach pendant) to do the operation. This process moves along really slowly.

The multi-level control configuration of a standard robotic arm consists of a microcontroller, driver, and a computer-based user interface. Inverse kinematics ideas are utilised to provide programming and control system flexibility. Manual mode can also be used to do this. A common microcontroller has a programming/development board attached to it.

How To Pick The Right End-Effector?

An end effector in robotics is a tool or device attached to the end of a robot arm, in place of the hand. The robot's end effector is the component that interacts with the outside world. The design of an end effector, as well as the hardware and software that power it, is dependent on the task that the robot is performing.

There are many different uses for robots for which an end effector must be chosen. It could be a welding interface to hold the electrodes or a hand-like gripper designed for pick and place operations in a specific area, as seen below. 

The manipulator, which is the most important component of the robotic arm, can have an interface similar to a spray paint pistol for painting or a platform for simulations. Pneumatic, electrical, or hydraulic end effectors are all possible. Servo motors are typically used to drive the end effectors.

Conclusion

The delivery of the sheet from the stack to the shearing machine is the primary justification for choosing to develop a robotic arm. The shearing machine and the stack of sheets are situated close to one another. Any other mode of transportation, such as a linear robot, cannot be employed since they are so close together. The pick and place mechanism's robotic arm has been successfully designed.

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