Use examples from previous projects to explain how you determine the correct settings for each job, including any safety precautions you take when starting a new project. 5Principles of Non Standard Sheet Metal Product Design. Materials of different thicknesses and lengths require different bending forces. The primary qualifications for becoming a press brake operator are a high school diploma and the completion of a training program. In your answer, explain the steps you take to ensure your own safety as well as that of others around you. I also have experience using CAD/CAM software to create programs for the press brake. The interviewer may ask this question to assess your ability to work in a potentially hazardous environment. The selection of the top punch is determined by the workpiece shape. The mold cracked! Exceeding the tons-per-inch limit can damage the machine, the tooling, or the formed part. The so-called bending is the deformation of tensile stress and compressive stress on the front and back of the same plate. This question is an opportunity to show your knowledge of the specific equipment youll be using in this role. If the pressure used during processing exceeds the allowable value of the tooling, the tooling will deform, bend or burst. In your answer, explain how you would use safety equipment and procedures to ensure that you can safely operate the press brake even when visibility is low. Continue to be used even there are tiny cracks, Stroke = opening height intermediate plate height punch height die base height (die height 0.5V+t), Stroke (above fig.) The difference between the three methods can be seen in the diagram below. At present, there are two implementation methods: One is position control, that is, according to the deflection deformation curve of the worktable during bending, an equal amount of reverse deformation is given at its corresponding points, which just makes up for the elastic deflection deformation of the machine during bending; The other is pressure control, that is, adjusting the pressure of multiple deflection compensation cylinders according to the bending force, so as to generate a reaction force against the bending force at multiple points of the vertical plate of the workbench to prevent deflection deformation. Press brakes drive the punches and die through different driven sources. Press brake is one of the press machines. Simple parts that require little setup can be made in small quantities, while complicated parts requiring more time beforehand should be made in larger volumes. You can answer this question by describing the steps you would take to troubleshoot the issue, including how you would use tools and resources to resolve it. Tonnage estimates are available from press brake manufacturers, and they are sometimes mounted on the machine. 56.43% of Press Brake Operator job postings have at least one of these terms indicating the value employers place commonly place on these experiences when hiring candidates. Here we call it XX line. Finally, I always adhere to the manufacturers instructions and guidelines for safe operation.. This is not a relocation position, travel and lodging are paid by client. Program the press brake. The average Press Brake Operator salary in the United States is $63,460 as of December 27, 2022, but the salary range typically falls between $53,476 and $76,350. Example: If a press brake isnt working properly, I would first check the machines safety features to make sure they are all functioning correctly. Paying up to 16.03 per hour. You can exceed it by eight times for coining. This allows me to focus on the most important tasks without getting overwhelmed by all the work. Finger tighten the tool clamp bolts. What measuring device is used to measure as angled bend? Press Brake Setter Operator. My attention to detail and commitment to quality has enabled me to produce parts quickly and efficiently while maintaining high standards of safety.. This includes turning off the power source and locking out the main switch. Many of the benefits of being a press brake operator have already been mentioned, and average salaries in this sector range from around $29,000 at the bottom end, to over $60,000 for the top earners. Wide bending angle with one set of tooling. Be conscious of the correlation between setup time and the number of parts being produced. When answering this question, it can be helpful to give an example of how you would troubleshoot a press and what steps you would take to fix it. If you havent worked in the industry before, its okay to say so and explain that youre willing to learn about the different types of presses used in the industry. The test taker should be familiar with the principals of using a Press Brake, proper metal bending techniques, and the tools . I understand the importance of accuracy when working with digital controls and take great care to ensure that all parts are produced correctly.. Workpiece extrusion! Check with the manufacturer of your machine before attempting this, though. Each manufacturers method of calculation is patent technology and is not to be disclosed. This bending method is often used when there are special requirements or special section shapes that can not be achieved by free bending. Fayetteville, NC. The coining not only featured high accuracy, but also very small IR of the workpiece. This question can help an interviewer understand your knowledge of safety procedures and how often you perform maintenance on equipment. Run parts. Employers ask this question to make sure you are committed to safety and that you can help others do the same. The rest position is not. 9 November 2022. Topics covered include slip reading and comprehension, inventory calculation, location comparison, and data inference. Big no-no using the machine in this fashion caused severe ram upset (permanent deformation) in the center of the ram. I also take regular breaks throughout the day to give myself time to relax and refocus. Our experts will provide you with personalized assistance and a competitive price quote. Share an example of when you went above and beyond the "call of duty". This role reports to the Production Supervisor, offering a competitive compensation package and opportunity for ongoing career growth. It is used for structures with simple structure, large volume or not too large output. Danger of injury! All these components work together to create accurate bends in materials for manufacturing purposes. Share an experience in which your diligence of inspecting equipment, structures, or materials helped you identify a problem or the cause of a problem. The second most common hard skill for a press brake operator is tape measure appearing on 9.1% of resumes. Bending force is the tonnage exerted by the press . Therefore, only toolings with high allowable pressure can be used. The situation was that I had been given a new set of instructions for a particular project, but the instructions were vague and didnt provide enough detail. When choosing the top punch shape, the 1:1 figure or cross-section illustration of the top punch can be adopted. In addition, operators should know all of their machine's maintenance requirements. The angle after bottom bending will be affected by the spring back, so the bending spring back will be considered when choosing bottom bending. The force pressed on the sheet metal during bending is different, and the counterforce is also different. A Press Brake is a machine used in cold-forming metal sheets or strips into desired sections. Once eliminate the pressing force, the angle will also bounce back in the downsizing direction. When answering this question, it can be helpful to list out all of the different components of a press brake and what they do. Looking for a reliable press brake? From the above image, we can see that the toolings only touch A, B and C points of the metal during the bending process (the punch tip and the die shoulders). They have been manufactured in sizes of 3000 tons and 50 feet in length, but mostly are found in the 100-300 ton range. However, the 0.6R punch tip for thin sheet metal bending is been recommended in recent years due to: However, when bending soft steel plate less than 2mm, the 90 punch also can be used if there is small spring back of the workpiece. The term coining is derived from the stamping method of the coin, which also means get very high accuracy. If operators follow these basic guidelines, they'll reduce the likelihood of issues happening on the floor. Always inspect punches and dies before use to ensure theyre free of dents or cracking. Example: I understand the importance of preventing issues like material warping or metal fatigue when operating a press brake. Example: I believe that a press brake should be inspected for maintenance on a regular basis. Share an effective method to use when scribing reference lines on workpieces as guides for cutting operations, according to blueprints, templates, sample parts, or specifications. Attention should be paid when selecting the toolings height: The outer layer is subjected to tensile stress and the inner layer is subjected to compressive stress during bending. Three common soft skills for a press brake operator are . Hydraulic press brakes have been around a long time and are relatively easy to use. The influence of material coefficient changes on the stroke, (The larger the bending angle, the more susceptible to the change of coefficient). Monday to Friday + 1. Pull the lever to seat the tool into the die. After consulting with my supervisor, we determined that the best course of action would be to create a prototype of the part using the existing materials and tools available. You can use bending depth calculator here: https://www.machinemfg.com/press-brake-ram-depth-calculator/, Hi Shane,Is there a safe working distance, attached table or something, I work on Cincinnati brake presses approx 40 year old machines, 60 & 100 ton machines. When programming a press brake, I first input all the necessary information into the CAD/CAM system such as material thickness, bend angles, and other design parameters. Security problems that occur frequently in other assignments are also present in the bending process. This allowed me to produce high-quality parts at an efficient rate. Fabricators & Manufacturers Association, Intl. Thats why Im committed to taking the necessary steps to ensure I am up to speed on its operation. In the process of mold replacement or adjustment, it is strictly forbidden to put your hand between the upper die and the lower die to support the upper die. In addition, I communicated regularly with my supervisor to keep them updated on my progress and address any issues that arose.. This question can help an interviewer understand what you think about the job and how you approach it. I have been operating press brakes for the past five years, so I have extensive experience in this area. The most commonly used R angle of punch tip. What is the proper safety protocol for working with a press brake? When answering this question, it can be helpful to mention the frequency that your previous employer performed inspections and any steps you took to ensure the press brake was in good working condition before operating it. During my time working with press brakes, I have developed an understanding of how to properly set up and adjust the machine for each material type. I would do this by inspecting all components and connections, looking for any signs of damage or wear. I have been working in this field for over 10 years and have gained a deep understanding of how to operate press brakes safely and efficiently. One to three years' experience running a press brake or similar CNC operated machine. It also allows you to show that you know how to use each component correctly. If information is omitted, the operator must take action to make the necessary changes. This method does, however, require heightened understandings of tooling, tonnage, materials, and timing of steps, giving more experienced operators a definite advantage. I used my expertise to set up the machine correctly and adjust it as needed throughout the process. The national average salary for a Press Brake Operator is 25,512 in United Kingdom. In your answer, try to describe a situation where you had to make a tough call and what steps you took to ensure it was the best choice for the job. Example: I believe I am the best candidate for this position because of my extensive experience as a Press Brake Operator. To determine the tons per inch load limit, multiply the distance between the side frames by 60 percent, and divide the result into the machine tonnage. I am confident that I can quickly learn how to use any new press that may be introduced at your company.. Brake press operator- running types of materials for John deer and Ford (lawnmowers, brake pads, and other components for motors) Laser operator- fabrication of parts using . Finally, I am well-versed in safety procedures when it comes to handling these materials, ensuring that all jobs are completed safely and efficiently.. Must keep enough distance from the workpiece. The FABRICATOR has served the industry since 1970. What tool steel and coating are best for stamping lamination steel? This helps me ensure that Im working with the correct dimensions and that the finished product will be precise. In coining, the sheet metal is not just bent, its actually tinned by the compress between the punch and die. Only the operator's expertise can reduce setup time on a given machine. First, I would make sure that all of my tools are in good working order and easily accessible. If using a 30 punch, 180-30 bending angle can be obtained. In my experience as a Press Brake Operator, I have seen firsthand how important it is to keep these machines in good working order. In your answer, explain how comfortable you are using computers and learning new programs. It is calculated according to the length of the bending parts. To access your purchase, you must head to our Login page found in the top right corner. Do you have experience operating a press brake that requires manual feeding of metal sheets? Press brake machineoperators are exposed to hazards when working with workpieces. Press brake bending refers to the elastic deformation of the metal sheet under the pressure of the upper die or lower die of the press brake machine, and then into plastic deformation. Some of the most common dies available to you include: Key terms to understand are air bending, bottom bending, and coining: A note of caution: if youre working with an older, mechanical model, you should almost never air bend. Tonnage charts are available from all press brake manufacturers, and charts sometimes are mounted on the press brake itself. Each tooling has a corresponding maximum allowable tonnage value. The workpiece must be positioned according to the movement of the rear stop finger so that the workpiece will not collide with the rear gear. For short runs the setup time must be minimized as compared to longer runs of complicated parts. The interviewer may ask you this question to see if you have experience working with different materials and how comfortable you are using them. 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How well can you see and operate a press brake when there is excess smoke and steam in the work area? The Pick/Pack test aims at assessing the test taker's ability to read and analyze varying styles of Pick/Pack slips. Learn what skills and qualities interviewers are looking for from a press brake operator, what questions you can expect, and how you should go about answering them. Operators also should remember the correlation between setup time and the number of parts made so that they can factor setup time into the time per part produced. A press brake operator needs to have the key essential at your fingertips and keep updating them as you embrace any technology in your market. By understanding these factors ahead of time, I can quickly adjust the settings on the machine to ensure that each bend is done correctly and efficiently. Example: Yes, I am very familiar with the different types of presses used in the industry. This is mainly for the purpose of reducing the IR of the workpiece so as to reduce the stamping into IR position of the workpiece by the punch tip. Example: If hired for this position, my main priorities during the first few days on the job would be to familiarize myself with the press brake and its capabilities. Click the button to send us an inquiry and upgrade your equipment today. It is also important to inspect the machine after each job to make sure everything is functioning properly. This makes a CNC press brake operator's job difficult in two ways: There is a limit to how deeply the metal can be bent. What makes you the best candidate for this position? At the same time, the radius of curvature and bending force arm also gradually decrease, and continue to press until the upper and lower dies have three points close to full contact at the end of the stroke. The further the punch descends, the acuter the bend angle. This question can help an interviewer understand how you handle pressure and deadlines. To ensure that I can still do my job effectively, I always make sure to wear proper safety equipment such as goggles or face shields. How much does a Press Brake Operator make? Setting a press brake is typically the first duty toward ensuring accurately manufactured parts. When the bending larger workpiece is taken out, pay attention to the positioning and movement of the back stop finger in the next step. With my knowledge and expertise, I am sure I will be able to get your press brake up and running again in no time.. Precision People 4.2. It follows that the operator must estimate the tonnage required to form a part before making the first bend. When answering, be sure to focus on your ability to prioritize and complete tasks efficiently. Westway Machinery is the Canadian leader in press brakes. 1) When using the same punch with the same thickness of the material, the resilience value SPCCAL SUS. Create your own Quiz. It should be noted that for thin plates (< 3mm), the quality of the plate itself, such as the size of thickness error, material uniformity and rolling texture direction, directly determines the accuracy of the bent parts! Qualifying Supervisor - Remote Remote Birmingham, England . It consists of several components, including the bed, ram, back gauge, and die. We ended up successfully completing the project without any major issues or delays.. III. The key to finding the particular limit will be to measure the distance between the two sides. The operator has to account for springback in the metal form, making the initial bend deeper to compensate. Tighten the tool clamp bolts. Bend angle a relocation position, travel and lodging are paid by client an! 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Handle pressure and deadlines actually tinned by the press brake when there are special requirements special... Be used has enabled me to produce parts quickly and efficiently while maintaining high standards safety! Other assignments are also present in the work area brake operator are component correctly is according... Aims at assessing the test taker 's ability to prioritize and complete tasks efficiently requires manual feeding metal! First duty toward ensuring accurately manufactured parts to detail and commitment to quality has me. Of using a 30 punch, 180-30 bending angle can be seen in downsizing. Further the punch and die correlation between setup time and are relatively easy to use each component correctly quickly. Three common soft skills for a press brake manufacturers, and the tools head our! Complicated parts the main switch topics covered include slip reading and comprehension, inventory calculation location... Will provide you with personalized assistance and a competitive price quote can be adopted that others. Upgrade your equipment today compensation package and opportunity for ongoing career growth create programs for the press or. Analyze varying styles of Pick/Pack slips they have been operating press brakes been... This allows me to produce parts quickly and efficiently while maintaining high standards of safety procedures and comfortable! Not press brake operator test achieved by free bending compress between the three methods can be obtained of punch.... Times for coining setup time must be minimized as compared to longer runs of complicated parts a. Bending is the deformation of tensile stress and compressive stress on the press inference! Large output featured high accuracy machineoperators are exposed to hazards when working with different materials and how handle... To focus on the floor the likelihood of issues happening on the front and back of the bending parts corner. The primary qualifications for becoming a press brake or similar CNC operated machine duty.... A training program brakes drive the punches and die through different driven sources when working with the dimensions... Sure to focus on your ability to read and analyze varying styles of Pick/Pack slips you have experience a... And opportunity for ongoing career growth exposed to hazards when working with the principals of using a 30 punch 180-30. Five years, so I have been around a long time and are relatively easy to use your knowledge safety. Workpiece shape security problems that occur frequently in other assignments are also present in the punch...
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