Matters needing attention in the use of drilling rig

Question 1: Safety precautions for drilling machine operation.

1. Ready

1. 1 Operators must learn the Instruction Manual, be familiar with the general structure and performance of the machine tool, and it is forbidden to use it beyond performance.

1.2 Wear tight protective clothing before operation, with tight cuffs and the hem of coat not open. It is forbidden to wear gloves, take off clothes or wrap cloth around the machine to prevent the machine from twisting. You must wear a helmet, braid your hair into your hat, and you are not allowed to wear skirts and slippers.

1.3 Before driving, check whether the machine tool transmission is normal, whether the tools, electrical and safety protection devices are in good condition, and whether the cooling water baffle is in good condition. The safety block on the drilling machine is not allowed to be disassembled, and should be adjusted and used according to the processing situation.

1.4 check the oil quantity of the oil standard, whether the oil quantity is unobstructed and whether it is lubricated according to the lubrication chart. The oil filter screen should be cleaned regularly to keep the oil clean. When the equipment is restarted after stopping for more than eight hours, it should be rotated at a low speed for three to five minutes, and the lubrication system should be ensured to be smooth, and then work can be started after all parts are running normally.

1.5 for trial operation, and check the standard operation reliability of the travel switch and safety clutch. Try to see if the work of each department is normal, and then you can officially work.

1.5 Within the rotating range of drilling machine and rocker arm, articles are not allowed to be stacked and kept clean.

1.6 The operator has the function of managing, supervising and training the equipment. Without the consent of the operator, it is absolutely forbidden to operate on the computer without an operation certificate.

2. When the machine tool is running

2. 1 It is forbidden to overload the machine tool (beyond cutting conditions).

2.2 When the radial drilling machine clamps or corrects the workpiece, the radial arm must be moved away from the workpiece and lifted, and the trolley must be braked at the same time. The workpiece must be pressed or clamped by a pressure plate to avoid being thrown out by rotation.

2.3 Don't put anything else on the drilling machine bed, and stop when replacing the drill bit and fixture and loading and unloading the workpiece. Burred and unclean taper shanks are not allowed to be installed in the taper hole of the spindle. Wedge iron should be used for loading and unloading drill bits, and it is forbidden to knock with a hammer.

2.4 When drilling small workpieces, use a vise and drill after clamping. It is forbidden to stop the rotating drill by hand. Under no circumstances are you allowed to hold a drill in your hand.

2.5 When drilling vertically on thin plate, large or long workpiece, it must be pressed firmly, and it is forbidden to hold it by hand. When drilling a through hole, the workpiece should be decompressed slowly to avoid damaging the platform.

2.6 After the machine tool is started, it is forbidden to operate with gloves. Iron hooks should be used to remove iron filings, and blowing with the mouth is prohibited.

2.7 When the machine tool is running, it is forbidden to check parts and troubleshoot on the machine tool, such as manual tool change and chip removal. Operators should strictly prohibit this kind of behavior: it is strictly forbidden to remove iron filings with iron hooks when the machine tool is running, and it must be stopped before it can be removed to prevent danger! Appropriate lubricating coolant should be filled when drilling, and the working drill bit and spindle should not be wiped with towel and cotton yarn during operation.

2.8 When the operator loosens the column and prepares to shake the rocker arm, he should pay attention to people or things in the surrounding danger zone.

2.9 There is a squeezing point between the axle box and the limit block, and there is also a squeezing point between the rocker arm and the end face of the inner column. Operators must pay attention to safety when operating.

2. 10 It is forbidden for the operator to open the door of the electric box to avoid danger.

2. 1 1 When the machine tool is working, attention should be paid to the clamping of the column and the spindle. Even if the cutting amount is small or small holes are machined, it is not allowed to make the headstock and column work in a loose state. When drilling a large hole, it must be twisted for 2 ~ 3 times, and the workpiece should be clamped safely, paying attention to the pinch point.

2. 12 pay attention to whether the drill bit will damage the workbench when it passes through the workpiece, and pay attention to the height of the cross arm and the length of the spindle when processing deep holes.

2. 13 When the workpiece and the drill bit rotate at the same time, you can't hold the workpiece by hand, and stop it immediately.

2. When the14 spindle is electrified, it is not allowed to stop at the upper and lower limits of the spindle travel. When the electric feed is close to the limit position, it must be manually disconnected immediately to prevent damage to the machine tool.

2. 15 When the machine breaks down and the hydraulic system has abnormal noise, cut off the power supply and terminate the work of the machine. There should be no strong earthquake source and dust source near the machine tool.

2. 16 After the following situations occur during drilling, the operator should grind the drill bit: When the operator finds that the drilled iron chips are red and black, it means that the cutting heat is high and the drill bit cross edge has been worn, so it should be ground immediately; When it is found that the discharged scrap iron is abnormal (1. Iron filings are too long, indicating that the blade belt is worn; 2. The uneven chip grooves on both sides indicate that the main cutting edge has cracks), and the drill bit should be ground.

2. 17 When drilling with motorized feed, manual feed should be used when drilling through.

2. 18 When the machine tool is in a critical state, stop it immediately. If you can't handle it yourself, please inform the maintenance team. No one is allowed to drive before troubleshooting and danger elimination ... >>

Question 2: Bench drill safety operation procedures Bench drill is a small hole machining machine tool with simple operation, which is usually installed on a special workbench. The drilling diameter of bench drill is generally below 13mm, and the maximum is not more than 16mm. Spindle speed change is generally realized by changing the position of V-belt on the tower pulley, and spindle feed is manually operated. The bench drilling machine can be placed on the workbench with the spindle vertical. The headstock and workbench of vertical drilling machine are placed on the column, and the spindle is vertically arranged. The radial drilling machine can rotate and lift around the column, and usually the headstock can move horizontally on the rocker arm. The table of milling and drilling machine tool can move vertically and horizontally, and the drilling shaft is arranged vertically, which can be used for milling. The deep-hole drilling machine uses a special deep-hole drill bit, the workpiece rotates, and the drilling machine drills deep holes. The flat end face center hole drilling machine cuts the end face of the shaft, and the center hole drilling machine is processed with a center drill. The spindle of horizontal drilling machine is arranged horizontally and can move vertically. Second, the table drilling machine safety operation procedures 1, check whether the parts of the drilling machine are normal before use. Second, the drill and the workpiece must be clamped, and the workpiece cannot be held by hand, so as to avoid personal injury accidents and equipment damage accidents caused by the rotation of the drill. 3. concentrate on the operation. The rocker arm and the frame must be locked before they can work. When loading and unloading the drill bit, it is not allowed to knock with tools such as hammer, and it is not allowed to impact the drill bit up and down with the help of the spindle. Special keys and wrenches should be used when loading and unloading, and the drill chuck should not clamp the taper shank drill. 4. When drilling thin plates, you need to pad the boards. When the drill bit is about to drill through the workpiece, apply light pressure to avoid breaking the drill bit and damaging the equipment or accidents. 5, when the rig is running, it is forbidden to use cotton yarn and towel to wipe the rig and remove iron filings. After the work, the drilling rig must be wiped clean, cut off the power supply, and keep the parts piled up and the work site clean and tidy. 1. The protective equipment is complete, and the rig base is installed firmly and smoothly; It is forbidden to wear gloves, scarves and hand-held cotton pads to take the workpiece during operation. 2. The selection of drilling parameters should be reasonable, and the drill bit should not be pressed too hard during operation to prevent the drill bit from breaking. 3. When clamping the taper shank drill, use soft metal to resist the top pressure, and knocking is not allowed. When using the drill chuck, it should be tightened with a special wrench, and it is not allowed to strike the shell for clamping. 4. The drilled workpiece should be clamped. If it is small or thin, it can be installed in a vise. It is not allowed to drill directly with the workpiece. 5. It is forbidden to touch the rotating drill bit and workpiece by hand, and sharpen the thin-plate drill bit when drilling thin plates. 6. When adjusting the height of bench drill, hardwood should be padded under the spindle, and the spindle should be adjusted by lifting. It is not allowed to suddenly relax the impact and damage the drilling rig. 7. After the operation, turn off the power supply, clean the drilling rig, lubricate the moving parts, and clean up the site after the work. L workshop personnel and personnel unfamiliar with this equipment shall not use it without the consent of the instructor. 2. Be sure to check thoroughly before use, and then use it after everything is normal. 3. The maximum drilling diameter shall not exceed φ 12mm, and the handle must be held tightly when adjusting the height. 4. When using, the workpiece should be fastened on the flat-nose pliers, the drill bit should be clamped firmly, and the fixed part should be tightened. 5. Coolant must be used when drilling steel parts, and the pressure should be light when drilling through. Never touch or blow iron filings. 6, drill cuffs, hair should be tied tightly, it is forbidden to wear gloves. 7, concentrate when drilling, it is forbidden to laugh, must clean up the scene after use. 8, when drilling accident, should immediately stop. If there is an accident, report it immediately. I. Preparation for safety protection before work 1. Add grease as required. Check the position of the protective operating handle. 2. Check the wear and tighten the cuffs. Female students and male students with long hair must wear work hats. 3, it is forbidden to wear gloves to operate, so as not to be caught by the rotating part of the drilling rig, causing an accident. 2. Before installing the drill bit, carefully check the drill sleeve. The standardized conical surface part of the drill sleeve shall not bump. If yes, it should be repaired and wiped with an oilstone before use. Standard holmium iron must be used for disassembly. Three, when drilling thin plate parts, small workpieces, reaming or drilling large holes, it is strictly prohibited to hold them in hand for processing. Four, without the permission of the instructor, shall not start the rig. When the machine tool is not stopped, it is forbidden to rotate the speed change plate to change speed, and it is forbidden to grasp the drill bit or drill chuck that is not stopped by hand. Only one person is allowed to operate. Five, with a brush and other tools to remove iron filings, shall not be directly cleaned by hand or mouth blowing. Six, after the work, to clean up the machine tool, refueling maintenance, cut off power supply, do a good job in the field health.

Question 3: What safety precautions should be paid attention to when using bench drill? 1. Never operate with gloves. 2. Use the key of the drill chuck to load and unload the drill bit. 3. The drilling parts must be clamped on the tool. 4. When using bench drill, female workers must wear working caps.

Question 4: Matters needing attention in the use of table drilling machine and how to adjust the speed. Bench drilling machines are mainly used in machine repair workshops and machine tool repair workshops for drilling, reaming, reaming, tapping and scraping small and medium-sized parts. Compared with similar machine tools at home and abroad, it has the characteristics of low horsepower, high rigidity, high precision, good rigidity, convenient operation and easy maintenance. By adjusting the vibration accuracy of the precision elastic chuck to below 0.0 1mm, the precision drilling of materials such as glass below 1mm can be carried out.

Question 5: Briefly describe the matters needing attention when drilling on a bench drill press, which depends on the size of the drill press model, for example, the drill press model z4 125b, where Z stands for drill press, 4 stands for bench drill press, such as 2 deep-hole drill press, 3 radial drill press, 4 bench drill press, 5 vertical drill press, 6 horizontal drill press 1 stands for drill press group code, and 25 stands for the maximum drilling capacity of 25mm. B stands for secondary modification. The maximum diameter of bench drill processing range is 25mm, so it is difficult to answer without model.

Quality analysis of automobile holes

1. The dimensional accuracy cannot meet the requirements.

1) the hole diameter is larger or smaller than the required size: the reason is that the boring tool is not debugged correctly, the tip of the tool is not sharp, the hole is biased and the measurement is not timely.

2. The geometric accuracy can't meet the requirements.

1) The inner hole is polygonal, and the thickness of the inner wall is uneven.

2) The inner hole is tapered: the reason is that the center line of the spindle is not parallel to the guide rail, and the guide sleeve of the machine tool may be too large.

3) The surface roughness can't meet the requirements: the reason is that the blade doesn't

Sharp, incorrect angle, improper selection of cutting parameters, insufficient coolant.

Question 6: What industrial bench drill should I pay attention to when buying a drilling machine? There are three-phase and single-phase power supplies. Find out whether you want three-phase or single-phase Three-phase AC 380 V; Single-phase AC 220 V;

As for the brand. The better one is the Xihu brand bench drill. Very famous Most people buy this. Consider motivation when buying. You need to know how big it is. At least know how big the bench drill can drill. West Lake is more expensive. According to the instructions, you can search the price online.

Question 7: The harm of drilling machine processing and the safety measures to protect the operation of drilling machine;

(1) Before starting work, conduct a comprehensive inspection of the drilling rig, tools and fixtures.

(2) The workpiece clamping must be firm and reliable. When drilling small workpieces, hold them with tools, not with hands. It is forbidden to wear gloves at work.

(3) When using automatic feed, select the feed speed and adjust the travel limit block. When manually feeding, gradually increase the pressure or gradually decrease the pressure, so as to avoid accidents caused by overexertion.

(4) When the drill bit is wrapped with long iron filings, stop and clean it, and use a brush or iron hook to remove it. It is forbidden to pull it by hand.

(5) When finely screwing the deep hole and pulling the taper rod, don't use too much force to avoid touching the tool.

(6) When the tool rotates, it is not allowed to turn over, pinch or measure the workpiece. It is not allowed to touch the rotating knife with your hands.

(5) When using the rock drill, people are not allowed to stand within the rotating range of the cross arm, and there are no obstacles. The cross arm must be clamped when working.

(8) Cross arm and workbench are not allowed to pile up objects.

(9) At the end of the workpiece, lower the cross arm to the lowest position, and clamp the headstock close to the spindle.

Question 8: What are the precautions and operating standards of CNC high-speed drilling machine? Professional teachers please guide the use environment of CNC plane drilling machine:

1. Pay attention to training and equipping operators, maintenance personnel and programmers.

2. It is best to place the NC drilling machine in a constant temperature environment, and stay away from equipment with large vibration (such as punching machine) and equipment with electromagnetic interference.

3. Power requirements

4. CNC drilling machine should have operating procedures: regular maintenance, attention to records and protection of the site in case of failure.

5. CNC drilling machine should not be sealed for a long time.

Maintenance of NC system of NC drilling machine;

1. Replace the battery regularly.

2. Maintenance of the CNC system when it is not used for a long time: often power up the CNC system or let the CNC drilling machine run the preheating program.

3. Strictly abide by the operating procedures and daily maintenance system.

4. Prevent dust from entering the numerical control equipment;

Floating dust and metal powder can easily reduce the insulation resistance between components, leading to failure or even damage of components.

5. Regularly clean the cooling and ventilation system of the numerical control cabinet.

6. Regularly monitor the grid voltage of the numerical control system: the grid voltage ranges from 85% to 1 10% of the rated value.

7. Maintenance of spare circuit board.

Safety operation procedures of Jinan Shuochao CNC drilling machine

1.？ Before driving, check that there are no obstacles on the drill floor, and the relative position of each handle should meet the requirements of tool alignment.

2.？ Each circuit should be well insulated, and the relays and relays of the control device should be checked frequently to prevent the workpieces from being loosened and thrown out.

3.？ Open the high-voltage box, connect the power supply of the voltage regulator, and check whether the voltage of each power supply is normal.

4.？ Start the oil pump and observe whether the displayed number meets the program requirements.

5.？ Press the pre-cleaning and circulating pre-cleaning buttons, and then start the transmission box.

6.？ Check whether the self-check of the numerical control system is normal, and whether the tool advances and retreats and moves normally.

7.？ Check whether pneumatic clamping and workpiece installation are reliable.

8.？ Make sure that the workpiece is firmly clamped before drilling, and be careful with your fingers when clamping the workpiece; Check whether the drill bit is damaged and worn, and whether there are adhered chips;

9.？ When the machine is drilling, the operator shall not leave his post;

10.？ If there is any abnormal sound or vibration during each startup, contact the maintenance personnel in time;

1 1.？ Before coming off work, the surrounding working environment should be cleaned, and iron filings and oil stains should not remain.

Question 9: What safety problems should be paid attention to when drilling and milling machines operate? Almost like a lathe. Never wear gloves. Women workers must put their hair in their hats. These two are the most important.

Question 10: What are the safety precautions for the drilling and milling machine (1)? Before starting work, you should carefully check the workplace, understand the things that hinder the work on the machine tools and walkways, and pay attention to keeping the ground clean and dry to prevent tripping or slipping.

(2) Wipe the sliding parts on the surface of the machine tool clean, inject lubricating oil, move the control handle to the correct position and idle for a few minutes to determine whether the mechanical transmission and lubrication system of the machine tool is normal.

(3) The cuffs should be tied tightly at work, and lesbians must wear working hats.

(4) Adopt the correct workpiece installation scheme, and the workpiece must be firmly clamped.

(5) Before drilling, clean the handle and taper hole of the drill shaft.

(6) It is forbidden to wear gloves when drilling, and it is also forbidden to add cutting fluid to the drill bit with cotton yarn.

Roughly these! If it works, adopt it.