Plastic Bending Service

As a leading China Plastic Fabrication manufacturer, Kusla provides Plastic bending service. we have bending acrylic sheet, bending Polycarbonate sheet, bending PVC sheet,bending ABS sheet capabilities, as well as other plastic fabrication capabilities. Contact Kusla to find out more today!

  • High-level plastic bending service with high precision.
  • Bending a wide range of plastics
  • One-stop solution, supported by Second fabrication capabilities

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Plastic Bending Specifications & Capabilities

We use exclusively custom-made moulds for the heated and cold bending of plastics. In addition, we make use of two types of ovens: a thermal oven to heat the plastic sheets for heated bending and a tempering oven for cold bending or temper shaping.

ProductSpecification
1mm to 20mm2000mmX2000mm

Plastic Bending Advantages

  1. Bending Angle is accurate,
  2. The bending process speed is fast; the efficiency is high.
  3. The workpiece does not deform, does not bubble.
  4. The plastic bending process is simple, the production is easy to automate, the production efficiency is high, the cost is low.

Plastic Bending Materials

  • Polypropylene Plastic Material

  • PET Plastic Material

  • Nylon Plastic Material

  • HDPE Plastic Material

  • ABS Plastic Material

  • Polycarbonate Plastic Material

  • PVC Plastic Material

  • Acrylic Plastic material

Kusla Plastic Bending Services

Kusla has lots of experience that can do high-level plastic bending services with high quality, We are able to bend virtually any plastic sheet for you into any shape and for various applications. If you need an 'extreme' shape and maximum shape retention, then opt for heated bending. We make lots of products by plastic bending capability, such as acrylic Stands, acrylic holders, PVC sign holder.

Application Cases

FAQS about Plastic Bending Service

Plastic bending, is a type of thermal (heat) reshaping process. using Professional heating equipment to heat the plastic sheet and then use the bending machine to press it into a fixed Angle. This process has cold plastic bending and hot plastic bending method.

There are different types of plastic bending depending on the method, equipment, and material used. Some common types are:

  • Line bending: This is a process of bending plastic sheets in a straight line by heating them along a narrow strip and then forming them with a jig or a former. This type of bending is used for making products like display stands, tables, casings, etc.
  • Cold bending: This is a process of bending plastic rods or pipes without heating them, by applying force or pressure. This type of bending is used for making products like frames, hooks, rings, etc.
  • Heat bending: This is a process of bending plastic sheets or rods by heating them uniformly and then forming them with a mold or a tool. This type of bending is used for making products like chutes, guards, covers, etc.

Different types of plastic have different bending properties and require different temperatures and techniques. For example, acrylics are easy to bend with heat, but polycarbonates are more difficult and require more force. Fillers can also affect the stiffness and flexural modulus of plastic materials.

Some of the benefits of plastic bending are:

  • It allows for customizing plastic products of various shapes, sizes, and materials.
  • It reduces the weight and inertia of plastic products due to the lower density of the material.
  • It improves the strength and durability of plastic products by increasing their resistance to shock, vibration, and friction.
  • It lowers the noise and maintenance costs of plastic products by making them self-lubricating and suitable for wet environments.
  • It enables the production of innovative and complex plastic products such as gears, chutes, guards, etc.

Plastic bending can be applied to various materials that are ductile, meaning they can deform without breaking under stress. Some examples of materials that can be bent using plastic bending are:

  • Acrylic: This is a transparent thermoplastic that can be easily bent with heat and formed into various shapes. It is used for making products like signs, displays, windows, etc.
  • PVC: This is a synthetic thermoplastic polymer that can be bent with heat or cold, depending on the type and thickness of the material. It is used for making products like pipes, fittings, hoses, etc.
  • ABS: This is a common thermoplastic polymer that can be bent with heat and has high impact resistance and toughness. It is used for making products like toys, helmets, cases, etc.
  • Nylon: This is a synthetic thermoplastic polymer that can be bent with heat and has high strength and abrasion resistance. It is used for making products like gears, bearings, bushings, etc.
  • Polycarbonate: This is a transparent thermoplastic polymer that can be bent with heat and has high impact resistance and optical clarity. It is used for making products like lenses, shields, guards, etc.

The equipment and tools required for plastic bending depend on the type, size, and shape of the plastic material and the desired product. Some common equipment and tools are:

  • Heating devices: These are used to heat the plastic material to a suitable temperature for bending. They can be strip heaters, heat guns, ovens, torches, etc.
  • Bending fixtures: These are used to hold and form the plastic material into the desired shape. They can be jigs, formers, molds, bars, swords, etc.
  • Clamps: These are used to secure the plastic material and the bending fixtures in place. They can be quick-release bar clamps, C-clamps, spring clamps, etc.
  • Measuring tools: These are used to measure the dimensions and angles of the plastic material and the product. They can be rulers, protractors, calipers, etc.
  • Cutting tools: These are used to cut the plastic material to the required size and shape. They can be saws, knives, scissors, nippers, etc.
  • Safety equipment: These are used to protect the operator from heat, dust, fumes, and sharp edges. They can be eye protection, gloves, masks, aprons, etc.

The quality and accuracy of plastic bending depend on various factors, such as:

  • Material properties: The plasticity, stiffness, thickness, and fiber direction of the plastic material affect its bending behavior and resistance to cracking or breaking. Different materials require different bending temperatures and techniques.
  • Tooling precision: The quality, size, shape, and alignment of the bending fixtures and tools affect the accuracy and shape of the bending products. The tools should be sharp, smooth, and suitable for the material and product.
  • Machine adjustment: The temperature, pressure, speed, and position of the heating devices and bending machines affect the bending performance and consistency. The machines should be calibrated, controlled, and monitored properly.
  • Operator skill: The experience, knowledge, and technique of the operator affect the bending quality and efficiency. The operator should follow the instructions, safety precautions, and best practices for plastic bending.

To choose a plastic bending service provider, you should consider the following factors:

  • Experience and reputation: You should look for a service provider that has a proven track record of delivering high-quality plastic bending products for various industries and applications. You should also check their reviews, testimonials, and certifications to verify their credibility and reliability.
  • Capabilities and equipment: You should look for a service provider that has the necessary capabilities and equipment to handle your plastic bending project. They should be able to bend different types of plastic materials, shapes, and sizes with precision and accuracy. They should also have the latest technology and tools to ensure efficiency and consistency.
  • Service and support: You should look for a service provider that offers excellent customer service and support throughout the plastic bending process. They should be able to communicate clearly, respond promptly, and address any issues or concerns you may have. They should also offer competitive pricing, fast turnaround time, and flexible delivery options.

To prepare a design or a drawing for plastic bending, you should follow these steps:

  • Determine the type and size of the plastic material: You should choose a plastic material that has good plasticity and suitable properties for your application. You should also measure or calculate the thickness, width, and length of the plastic sheet or rod that you need.
  • Determine the shape and dimensions of the product: You should sketch or model the desired shape and dimensions of the product that you want to make by plastic bending. You should also specify the angle and radius of each bend, and the distance between bends.
  • Determine the bending method and equipment: You should choose a bending method and equipment that can handle your plastic material and product. You should consider factors such as heating temperature, bending speed, bending force, bending fixture, etc.
  • Prepare the design or drawing file: You should prepare a design or drawing file that shows all the details of your plastic bending project. You should use a suitable format such as IGS, CAD, or DXF that can be read by your service provider or your bending machine. You should also include any notes or instructions that are relevant for your project.

To measure and mark the bend lines on the plastic sheet, you should follow these steps:

  • Determine the dimensions and angles of the bends: You should use your design or drawing file to calculate the dimensions and angles of the bends that you want to make on the plastic sheet. You should also consider the bending method and equipment that you will use, as they may affect the bending radius and allowance.
  • Mark the bend lines on the plastic sheet: You should use a measuring tool such as a ruler, a protractor, or a compass to measure and mark the bend lines on the plastic sheet. You should use a chinagraph pencil or a marker pen to draw on the plastic sheet, as they are more visible than a pencil and do not leave permanent marks. You should mark both the outside and inside bend lines, as well as the bend angle and direction.
  • Check the accuracy of the bend lines: You should use a square or an engineer’s square to check that the bend lines are perpendicular to the edges of the plastic sheet. You should also use a measuring tool to check that the distances and angles between the bend lines are correct according to your design or drawing file. You should make any adjustments or corrections if needed before proceeding to the bending process.

To adjust the temperature and time for heating the plastic sheet, you should follow these steps:

  • Determine the type and thickness of the plastic sheet: You should identify the type and thickness of the plastic sheet that you want to heat and bend. Different types of plastic have different melting points and heat resistance, and thicker sheets may require more heat and time than thinner sheets.
  • Determine the heating device and method: You should choose a heating device and method that can heat your plastic sheet uniformly and safely. You can use an oven, a heat gun, a strip heater, or a torch, depending on the size and shape of your plastic sheet. You should also consider the bending fixture and tool that you will use to form your plastic sheet after heating.
  • Determine the optimal temperature and time for heating: You should consult the manufacturer’s data sheet or a reference table to find the optimal temperature and time for heating your plastic sheet. The temperature and time may vary depending on the type and thickness of your plastic sheet, as well as the heating device and method that you use. You should also use a thermometer or a pyrometer to monitor the temperature of your plastic sheet during heating.
  • Adjust the temperature and time settings on your heating device: You should set the temperature and time settings on your heating device according to your determination. You should also preheat your heating device before placing your plastic sheet on it. You should use a cookie sheet or a metal tray to support your plastic sheet if you are using an oven1. You should also use gloves and eye protection to handle your plastic sheet safely.

To bend the plastic sheet on a fixture or a mold, you should follow these steps:

  • Prepare the fixture or the mold: You should choose a fixture or a mold that matches the shape and dimensions of your desired product. You should also make sure that the fixture or the mold is clean, smooth, and stable . You should also apply a release agent or a lubricant to the fixture or the mold to prevent the plastic sheet from sticking to it .
  • Remove the plastic sheet from the heating device: You should use gloves and eye protection to remove the plastic sheet from the heating device when it reaches the optimal temperature and time for bending. You should be careful not to touch or damage the plastic sheet while removing it .
  • Place the plastic sheet on the fixture or the mold: You should place the plastic sheet on the fixture or the mold as quickly and accurately as possible. You should align the bend lines on the plastic sheet with the edges or curves of the fixture or the mold . You should also apply pressure or force to the plastic sheet to make it conform to the shape of the fixture or the mold .
  • Hold the plastic sheet in place until it cools down: You should hold the plastic sheet in place on the fixture or the mold until it cools down and hardens. You can use clamps, weights, springs, or other tools to secure the plastic sheet on the fixture or the mold . You can also use a fan, a water spray, or an air hose to speed up the cooling process .
  • Remove the plastic sheet from the fixture or the mold: You should use gloves and eye protection to remove the plastic sheet from the fixture or the mold when it is completely cool and rigid. You should be careful not to damage or scratch the plastic sheet while removing it . You should also inspect and trim any excess material or rough edges from the plastic sheet .

To cool and set the bent plastic sheet, you should follow these steps:

  • Keep the plastic sheet on the fixture or the mold: You should keep the plastic sheet on the fixture or the mold until it cools down and hardens. You should not remove the plastic sheet from the fixture or the mold while it is still hot or soft, as it may lose its shape or deform .
  • Use a cooling device or method: You should use a cooling device or method to speed up the cooling process and reduce the risk of warping or cracking. You can use a fan, a water spray, or an air hose to blow cool air or water on the plastic sheet . You can also use a cold water bath or a freezer to immerse the plastic sheet in cold water or ice .
  • Wait for the plastic sheet to reach room temperature: You should wait for the plastic sheet to reach room temperature before removing it from the fixture or the mold. You should not expose the plastic sheet to sudden temperature changes or extreme heat or cold, as it may cause thermal stress or damage .
  • Remove the plastic sheet from the fixture or the mold: You should use gloves and eye protection to remove the plastic sheet from the fixture or the mold when it is completely cool and rigid. You should be careful not to damage or scratch the plastic sheet while removing it . You should also inspect and trim any excess material or rough edges from the plastic sheet .

To trim and polish the edges of the bent plastic sheet, you should follow these steps:

  • Trim the excess material or rough edges: You should use a cutting tool such as a saw, a knife, a scissors, or a nipper to trim any excess material or rough edges from the bent plastic sheet. You should be careful not to cut too close to the bend line or damage the plastic sheet while trimming it.
  • Sand the edges to smooth them: You should use a sanding tool such as a sandpaper, a file, or a sander to sand the edges of the bent plastic sheet to smooth them. You should start with a coarse grit and gradually move to a finer grit until you achieve the desired smoothness.
  • Polish the edges to shine them: You should use a polishing tool such as a buffing wheel, a cloth, or a polishing compound to polish the edges of the bent plastic sheet to shine them. You should apply moderate pressure and circular motions to create a glossy finish on the edges.
  • Heat the edges to clear them: You can also use a heating tool such as a heat gun, a torch, or a flame polisher to heat the edges of the bent plastic sheet to clear them. You should apply gentle and even heat along the edges to soften and melt them slightly until they turn clear.

The cost of plastic bending service may vary depending on several factors, such as:

  • The type and size of the plastic material: Different types of plastic have different bending properties and require different temperatures and techniques. Thicker and larger plastic sheets or rods may also require more heat and time than thinner and smaller ones.
  • The shape and complexity of the product: The more bends, curves, angles, and dimensions the product has, the more difficult and time-consuming it is to bend the plastic material. The product may also require more fixtures, tools, and equipment to achieve the desired shape.
  • The quantity and quality of the product: The more products you need, the more material and labor costs you will incur. The quality of the product may also affect the cost, as higher quality products may require more precision, accuracy, and finishing.
  • The service provider and location: Different service providers may have different rates, capabilities, and equipment for plastic bending. The location of the service provider may also affect the cost, as transportation, shipping, and taxes may vary.

To get an accurate estimate of how much plastic bending service will cost for your project, Contact KUSLA.

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