Check with the manufacturer of your machine before attempting this, though. I understand the importance of using the correct type of press for each job, and I take pride in ensuring that all safety protocols are followed when operating any type of press. The interviewer may ask this question to assess your ability to work in a potentially hazardous environment. Start your new career right now! This allowed me to produce high-quality parts at an efficient rate. But every operator must understand four simple but crucial elements of the process for that to happen: Foremost are the operators, who need to be well-trained and offered regular training updates on the proper use of the shop's brakes. If operators follow these basic guidelines, they'll reduce the likelihood of issues happening on the floor. IT IS NEARLY IMPOSSIBLE TO MAKE QUALITY PARTS WITH BAD TOOLING. How would you troubleshoot a press that isnt working properly? Provide an example of a time when you had to make a difficult decision on the job and explain how you handled it. In this guide, youll find questions and answers that will help you prepare for your interview. The angle cant be smaller than the punch tip angle. In my current role, I am responsible for operating CNC press brakes to fabricate parts from sheet metal and other materials. It is important to lubricate elements weekly, ensuring you use a lubricant consistent with the manufacturers specifications. Posted Posted 5 days ago. 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. Contact us and let us know your detailed requirements. Next, I always double-check my calculations to make sure that everything is correct. This has included working with high-strength alloys, composites, and exotic metals. When operating the press brake, I wear protective gear such as gloves, eye protection, and hearing protection. This process is repeated until the desired shape is achieved. Wide bending angle with one set of tooling. Any sort of distraction will leave you more vulnerable to accidents. Press brake operators manufacture tools, metal, and other pieces of equipment using a press brake to make punches, bends, and cuts into sheet or plate metal. A continuous block laser field protects the zone directly below the punch tip allowing the operator to hold the work piece as the tools close at high speed. Employers ask this question to make sure you know how to keep yourself and your coworkers safe while working with a press brake. Learn from the master of the press brake, whether you are in design, engineering or the craftsmen on the floor there is something to learn. This test is designed to test and review the knowledge and responsibility of a Press Brake Operator employed at YHF. Any larger and you risk damaging the tooling and the workpiece. IV. I want to understand how it works and what safety protocols are in place. V-axis is the deflection compensation axis. Describe what methods you use to measure completed workpieces to verify conformance to specifications, using micrometers, gauges, calipers, templates, or rulers. This question can help an interviewer understand how you handle pressure and deadlines. This question is an opportunity to show your problem-solving skills and ability to make improvements. If the drawings are not specified in ir, please use standard R (R=thickness). There is a transition layer subjected to neither tensile stress nor compressive stress is been called the neutral layer. Required fields are marked *. You can answer this question by describing a specific situation where you increased production speed or efficiency on the job. depth of the upper die into the V-groove of the lower die, Air Bending Force Chart: The Most Authoritative Data From Amada. Describe the process used to install, align, and lock specified punches, dies, cutting blades, or other fixtures in rams or beds of machines, using gauges, templates, feelers, shims, and hand tools. A press brake two hand control device is an effective method of protecting the operator's hands from entering the point of contact and potentially causing injury. If you are working with a hydraulic model, the oil and filter will need to be periodically changed. Note: different toolings have different allowable pressure, so not all toolings can be used to bend 2mm SPCC material. The above calculation formula of bending force is obtained through experiments. No votes so far! It follows that the operator must estimate the tonnage required to form a part before making the first bend. As the operator, your ultimate goal is to produce quality pieces while keeping setup times to a minimum, ensuring maximum efficiency. First, I would make sure that all of my tools are in good working order and easily accessible. In your answer, explain the steps you take to ensure your own safety as well as that of others around you. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Example: I have a few techniques that I use to increase my accuracy when operating a press brake. Everything you need to know to be successful at the press brake with our Precision Press Brake Training. To meet the deadline, I worked quickly and efficiently to ensure that all parts were produced accurately and within the specified timeline. After that, I will focus on getting up to speed on the companys production processes and procedures. The low-stress way to find your next press brake operator job opportunity is on SimplyHired. Additionally, I have developed strong problem-solving skills from troubleshooting issues on the job. This question is a great way to determine how much experience the candidate has in this role. Getentrepreneurial.com: Resources for Small Business Entrepreneurs in 2022. If the workpiece is mispositioned, the workpiece will collide with the finger of the rear stopper. It can also show them your skills, knowledge and experience with operating a press brake. Press brake machineoperators are exposed to hazards when working with workpieces. 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. Remember that charts are for air bending only. What tool steel and coating are best for stamping lamination steel? Mississauga, ON L5A 2X1 An operator with extensive experience on a non-CNC brake must be completely retrained for a CNC brake; operators must become intimately familiar with their machines and know those machines' physical limitations. 16.02 - 16.03 an hour. III. The workpiece can be positioned only when the rear stop finger is positioned to the next position. Sometimes it is better to form a part off-center if your press brake can do this. Press brake is a machine used for metal bending and forming. Press Brake Setter Operator. During the bottom bending process, the IR is about 1/6 of the dies V-opening (IR=v/6). To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Maladaptive Daydreaming Test: Am I A Maladaptive Daydreamer. What are the different components of a press brake? Because the pressure is not as intense as it is when coining, the operator must account for spring back. The rear stopfinger will move unexpectedly! In addition, they really should check tooling tolerances each time a punch and die is pulled from storage. 2) Place two equal height blocks on the table, preferably under the left and right cylinders. Now divide 150 tons by 72 inches and you get a limit of 2.08 tons per inch for your machine. Be the first to rate this post. Among them, the 90 bending generally use 88 punch. The ensured allowable tonnage (KN/M) = 9.42H2/L10, If H=15 L=30, allowable tonnage=9.42 (225/30) 10=9.42 7.510=706.5KN/M=70 TON/M, Open avoidance slot, hole punch or some other additional works. A Press Brake is a machine used in cold-forming metal sheets or strips into desired sections. Need a price quote or have questions? Example: I have extensive experience operating a press brake with digital controls. 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. If the pressure used during processing exceeds the allowable value of the tooling, the tooling will deform, bend or burst. This method can obtain high precision machined parts, that is, small angle error and straightness error. No drug test or BG!!!!!! You cant exceed it when air bending without risking damage to the machine, your tooling, and the material. Press brake operators often work in high-pressure environments. Are you familiar with the different types of presses used in the industry? That coaching coupled with first-hand experience working with a well-built, well-maintained machine will put you on the road to becoming an experienced, successful press brake operator. Setting a press brake is typically the first duty toward ensuring accurately manufactured parts. I also take extra precaution to avoid pinch points by keeping my fingers clear of the ram and die area. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); As the founder of MachineMfg, I have dedicated over a decade of my career to the metalworking industry. When taking apart the toolings, try to insert the punch into the lower die to prevent the punch from falling and hurting the finger. Confirm that the toolings center is consistent before the punch and die closure. The rest position is not. Use examples from past experience or explain what steps you would take to ensure that these issues do not occur during operation. Not the same coil < Material differences within the same manufacturer < Different manufacturers < Material handling is different gradually increasing based on the condition. Making appropriate decisions in the face of faulty plans will become easier with more experience, but it is still not an ideal situation for any press brake operator. (Look for answers that show the candidate is dependable.) Use examples from past experiences where you applied maintenance and lubrication techniques for press brakes machines to ensure they function properly. Be conscious of the correlation between setup time and the number of parts being produced. 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. Therefore, you should not apply more than 25 tons to a 12 in. At the beginning of plastic bending, the sheet is free to bend. PMA Press Brake Lesson 1 - Introduction . Finally, the die is the part of the press brake that actually forms the shape of the material being bent. PayScale data shows that press brake operators earn $15.53 in median hourly pay. In my previous role as a Press Brake Operator, I was responsible for manually loading and unloading the machine with various sizes and thicknesses of sheet metal. 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