press brake operator test

These techniques help me stay calm and productive even when things get hectic.. At the beginning of plastic bending, the sheet is free to bend. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. I have developed strategies to help me stay focused and manage my stress levels. Maintenance. The operator should know and understand the terms air bending, bottom bending, and coining. Employers ask this question to make sure you know how to keep yourself and your coworkers safe while working with a press brake. Do you have experience operating a press brake that requires manual feeding of metal sheets? The Pick/Pack test aims at assessing the test taker's ability to read and analyze varying styles of Pick/Pack slips. 2) When using the same punch with the same material, the thinner plate has more resilience. What does the abreviation "SST" refer to as it applies to sheet metal? Use examples from past experiences where you applied maintenance and lubrication techniques for press brakes machines to ensure they function properly. Create your own Quiz. Finally, I would document the incident for future reference and report it to my supervisor as soon as possible.. 6) Bend operation. If the ir is specified, V-opening must be selected strictly according to the specified ir (ir=V/6). The term coining is derived from the stamping method of the coin, which also means get very high accuracy. As a press brake operator, I understand that it takes time to become familiar with all the nuances of the machine. Be conscious of the correlation between setup time and the number of parts being produced. This test is appropriate for candidates that have a strong, hands-on knowledge of Press Brake operation. How often do you think a press brake should be inspected for maintenance? Common factors affecting bending coefficient: 1. This question is a great way to assess your problem-solving skills and ability to troubleshoot. How do you stay fit in order to perform physical activities that are required in the workplace? I would do this by inspecting all components and connections, looking for any signs of damage or wear. Many years ago shops had only two types of press brakes to choose from mechanical and hydraulic. Describe your experience with operating a press brake that uses digital controls. Assessments for Basic CNC and Lathe Operator are also available. It can be seen that the first method is better and can obtain higher bending accuracy when it is consistent with the actual deflection deformation curve. $17.85 an hour. Describe what methods you use to measure completed workpieces to verify conformance to specifications, using micrometers, gauges, calipers, templates, or rulers. Thats why many press brake operators start their careers as apprentices. What is Safety? I also ensure that all safety guards are in place and functioning properly. I have extensive experience operating press brakes with all of these components. Setup and operation of a retrofit CNC or a full CNC brake require a different level of experience and knowledge than manual (non-CNC ) brake setup and operation. It is the responsibility of the operator to make sure that the tooling always is within the manufacturer's specifications; if it is not, the tooling must be remachined or replaced. Press brake is a machine used for metal bending and forming. Houston, TX. 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. I have used this type of software for the past five years, and I understand how to create programs that accurately produce parts according to specifications. They want to make sure that you can adapt to their companys computer systems, which might be different from the ones youve used in the past. Secondly, I inspect the material before beginning any operation to ensure it meets all quality standards. Identify individual and group knowledge gaps, allowing team members to study specific courses in a self-paced learning environment. When answering, be sure to focus on your ability to prioritize and complete tasks efficiently. When using the grinding wheel cutting machine to make the horn, the hardness of the punch is decreased due to heat. If using coining, please refer to the following table: Whether it can meet the tonnage requirements of the press brake for bending fabrication? Copyright 2023 Westway Machinery Ltd. All Rights Reserved. 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.) They ask 1) How long I did I did Brake Press. AL < SPCC < SUS gradually increasing. Employers may ask this question to see if you have experience working with computers and learning new software programs. You can often take these programs through apprenticeships, technical colleges, vocational schools, or community colleges. Explain how you would prevent issues like material warping or metal fatigue during operation of a press brake. In my current role, I use a variety of software programs related to press brakes on a daily basis. Sometimes it is better to form a part off-center if your press brake can do this. HereI show you4 steps to adjust the parallelism of the bending workpiece. Danger of injury! See the following figure for the schematic diagram of the worktable convex principle: The accuracy of Y1, Y2 and V axes plays an important role in the angle and straightness of the bent parts. Example: Yes, I understand the importance of proper maintenance and lubrication for press brake machines. This role reports to the Production Supervisor, offering a competitive compensation package and opportunity for ongoing career growth. 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. Looking for Kenexa / Prove IT! How long have you been able to operate forklifts to deliver materials? 4) Backstop finger. This question can help an interviewer understand what you think about the job and how you approach it. Thats why Im committed to taking the necessary steps to ensure I am up to speed on its operation. Tell me how you set up, operate, or tend machines to saw, cut, shear, slit, punch, crimp, notch, bend, or straighten metal or plastic material. 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. The Press Brake Operator is responsible for looking at blueprints or plans for finished products and using the press brake machine to bend and shape sheet metal. Youll learn what to expect and how to answer questions about your experience, training, and knowledge of the press brake. Maintaining Your Press Brake. In your answer, explain how comfortable you are using computers and learning new programs. 3) Can I ran their Brake Press Machine and how long will it take me to learn their machine. I used my expertise to set up the machine correctly and adjust it as needed throughout the process. IT IS NEARLY IMPOSSIBLE TO MAKE QUALITY PARTS WITH BAD TOOLING. I also believe that safety is paramount when working with a press brake. Do not place your hand between the workpiece and the rear stopper during the operation of the press brake. When answering this question, it can be helpful to mention the industries youve worked in and what skills you developed while working there. It is also important to know the minimum and maximum weight that your press brakes can take. This question can help an interviewer determine if your experience is similar to the job youre applying for. Start. Our company has 40+ years of experience and has exported over 1,000 sets to satisfied customers globally. Required fields are marked *. Example: I am very familiar with using different materials such as aluminum and stainless steel on a press brake. Must keep enough distance from the workpiece. Each manufacturers method of calculation is patent technology and is not to be disclosed. As you become more familiar with the machine youre working with, the expertize you gain will help you make the appropriate decisions about setup and production times. If the IR of the workpiece is 5X less than the thickness of the plate, the thickness of the bending position turns into t, the position of the neutral layer is gradually shifted to the interior with the decrease of the IR of the workpiece. Contact us and let us know your detailed requirements. Example: I believe that the key to improving efficiency when operating a press brake is to be organized and prepared. When bending a small workpiece or a workpiece with a short position in hand, you should pay attention to the position and mode of holding the workpiece, otherwise there will be a risk that your fingers will be scratched by the mold or between the mold and the workpiece. 13. Press brake machine operators are exposed to hazards when working with workpieces. It is the operators responsibility to ensure the tooling fits the manufacturers specifications and make adjustments when necessary. The main factors affecting the elongation rate are as follows: Now the extension rate of the material is calculated by the computer. Operating a press brake is a skilled trade that takes practice to perfect. Next, I always double-check my calculations to make sure that everything is correct. The force pressed on the sheet metal during bending is different, and the counterforce is also different. No matter you are the press brake operator or the head of the production department, I believe you know the importance of the parallelism of bending workpiece. The bending angle is not in high accuracy. Receive small business resources and advice about entrepreneurial info, home based business, business franchises and startup opportunities for entrepreneurs. The impact of plate thickness on stroke increased: The greater the V-opening width and thickness of the plate, the greater the influence of the material coefficient on the change of stroke. Finally, the die is the part of the press brake that actually forms the shape of the material being bent. Determine the tooling position on the bed. Operators need to know their parts completely. I also have experience setting up the press brake according to job requirements, including adjusting the back gauge, ram stroke, and speed settings. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. During the bottom bending process, the IR is about 1/6 of the dies V-opening (IR=v/6). The falling mold! Permanent. Example: Safety is always my top priority when working with a press brake. It is necessary to inspect mechanical components at least twice a year and the electrical system at least once to ensure the machines optimal performance. Before I begin any job, I make sure to inspect the machine and its components for any potential hazards or damage. Paying up to 32400 per annum. The Sentinel guarding system features a laser transmitter and receiver that are mounted to the upper beam of the press brake. Think of a specific time when you were under pressure at work. Wide bending angle with one set of tooling. If the machine is designed for off-centre loading, it can sometimes be better to form the part off-centre. In the aerospace industry, I have operated press brakes to produce parts for aircrafts and spacecrafts. If the IR of the workpiece is 5X more than the thickness of the plate, then its position is in the center of the plate thickness. (The thicker the plate, the smaller the V/t), The influence of plate thickness change on stroke change, SUS

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