Precautions for using the drill press

Question 1: Safety Precautions for Drilling Machine Operation Safety Precautions for Drilling Machine

1. Preparation

1.1 The operator must study the "Instruction Manual" and be familiar with the machine tool The general structure and performance of the product, and super-performance use is strictly prohibited.

1.2 Wear tight-fitting protective clothing before operation, with cuffs fastened, and the hem of the coat cannot be opened. It is strictly forbidden to wear gloves. You are not allowed to put on or take off clothes next to a running machine tool, or wrap it around your body to prevent the machine from being twisted. hurt. A safety helmet must be worn, and braids should be put into the hat. Skirts and slippers are not allowed.

1.3 Before starting the machine, check whether the machine tool transmission, tools, electrical, and safety protection devices are normal, whether the coolant baffle is intact, and whether the safety block on the drilling machine is intact. The block is not allowed to be removed, and the use should be adjusted according to the processing situation. .

1.4 Check the oil level of the oil gauge, whether the oil level is smooth, and whether it is lubricated according to the lubrication chart. The oil filter should be cleaned regularly to keep the oil clean. When starting the equipment after parking for more than eight hours, it should be rotated at low speed for three to five minutes to confirm that the lubrication system is smooth and all parts are operating normally before starting work

1.5 Carry out a trial operation and check the travel switch, safety clutch, etc. Standard action reliability. Test whether each department is operating normally and make sure it can be officially started.

1.5 No objects are allowed to be stacked within the rotation range of the drill press and the rocker arm, and they should be kept clean.

1.6 Operators have the functions of management, supervision and training for the equipment they are responsible for. Without the consent of the operator, personnel without operating certificates are absolutely prohibited from operating the machine.

2. When the machine tool is running

2.1 Overload operation of the machine tool (exceeding the cutting conditions) is prohibited

2.2 When the radial drilling machine is clamping or correcting the workpiece, The rocker arm must be moved away from the workpiece and raised, the vehicle must be braked, and the workpiece must be pressed or clamped with a pressure plate to prevent it from being thrown out and injuring people.

2.3 Do not place other things on the drilling machine bed. You must stop the machine when changing drill bits, fixtures, and loading and unloading workpieces. Taper shanks with burrs and uncleanness are not allowed to be installed into the spindle taper hole. Use a wedge iron to load and unload the drill bit, and it is strictly forbidden to use a hand hammer to hit it.

2.4 When drilling small workpieces, use a bench vise and tighten it before drilling. Never use your hands to stop the rotating drill bit. Under no circumstances may you drill parts with your hands.

2.5 When drilling thin plates, large or long workpieces vertically, they must be pressed firmly and it is strictly forbidden to hold them with hands. When drilling through holes on the workpiece, the pressure should be reduced and slow to prevent damage to the platform.

2.6 After the machine tool is started, it is strictly forbidden to wear gloves when operating it. Use an iron hook to remove iron filings and blowing with your mouth is prohibited.

2.7 When the machine tool is running, it is prohibited to check parts on the machine tool, troubleshoot faults, manually replace tools, remove chips, etc.; operators should strictly prohibit such behavior: it is strictly prohibited to use iron hooks to remove iron filings while the machine tool is running. , must be removed after shutting down to prevent danger! Appropriate lubrication and coolant should be added when drilling, and the working drill bit and spindle should not be wiped with hand towels or cotton yarn during operation

2.8 When the operator loosens the column and prepares to shake the rocker arm, pay attention to the surrounding dangers people or things in the area.

2.9 There are extrusion points between the axle box and the limit block, and there are also extrusion points between the rocker arm and the end face of the inner column. The operator must pay attention to safety during operation.

2.10 Operators are prohibited from opening the electrical box door to avoid danger.

2.11 When working on the machine tool, attention should be paid to the clamping of the column and spindle. Even for small cutting amounts or small holes, the spindle box and column are not allowed to work in a loose state. When drilling large holes, they must be divided into 2 ~3 times of ream drilling, clamp the workpiece securely and pay attention to the clamping points.

2.12 When working, pay attention to whether the drill bit passing through the workpiece will damage the work surface. When processing deep holes, pay attention to the height of the cross arm and the extended length of the spindle.

2.13 When the workpiece and drill bit rotate at the same time during work, the workpiece cannot be grasped by hand and the machine should stop immediately.

2.14 When the spindle is motorized, it is not allowed to stop at the upper and lower limit positions of the spindle stroke. When the motorized feed approaches the limit position, the motorized feed must be manually disengaged immediately to prevent damage to the machine tool.

2.15 When the machine tool fails and abnormal noise occurs in the hydraulic system, the power supply should be cut off and the machine tool should be terminated. There should be no strong earthquake or dust sources near the machine tool.

2.16 The drill bit should be ground when the operator encounters the following situations during the drilling process: When the operator finds that the drilled iron chips are red and black, it indicates that the cutting heat is high and the chisel edge of the drill bit has become damaged. If the drill is worn, it should be ground immediately; when abnormal discharge of iron chips is found (1. Too long iron chips indicate wear of the edge band; 2. Uneven chip flutes on both sides indicate cracking of the main cutting edge), the drill bit should be ground.

2.17 When drilling with motorized feed, manual feed should be used when drilling is close to penetration.

2.18 When a machine tool is in a critical state, it should stop immediately. If it cannot be handled by itself, the maintenance team should be notified. Unless the fault is eliminated and the danger is not dealt with, no one is allowed to open...>>

Question 2: Safety operating procedures for bench drills. Bench drills are referred to as bench drills. They are compact and easy to operate. , a small hole processing machine tool usually installed on a special workbench. The drilling diameter of a benchtop drilling machine is generally less than 13 mm, and the maximum does not exceed 16 mm. The spindle speed change is generally achieved by changing the position of the V-belt on the tower pulley, and the spindle feed is manually operated. The benchtop drilling machine is a small drilling machine that can be placed on the workbench with the spindle arranged vertically. The spindle box and workbench of a vertical drilling machine are placed on a column, and the spindle is arranged vertically. The radial arm drilling machine can rotate and lift around the column, and usually the main spindle box can move horizontally on the radial arm. The workbench of the milling and drilling machine can move vertically and horizontally, and the drill axis is arranged vertically. It is a drilling machine that can perform milling. The hole depth drilling machine uses a special deep hole drill bit to rotate the workpiece and drill the deep hole. Center hole drilling machines with flat end faces cut shaft end faces and center hole drilling machines with center drills. A horizontal drilling machine has a horizontally arranged spindle and a vertically movable spindle. 2. Safety operating procedures for desktop drilling machines 1. Check whether all components of the drilling machine are normal before use. 2. The drill bit and the workpiece must be clamped and tightened. Do not hold the workpiece with your hands to avoid injury accidents and equipment damage caused by the rotation of the drill bit. 3. Concentrate on the operation. The rocker arm and carriage must be locked before working. When loading and unloading the drill bit, do not hit it with a hand hammer or other tools or objects, nor use the spindle to hit the drill bit up and down. Use a special key and wrench to load and unload the drill clamp. The head must not hold a tapered shank drill bit. 4. A wooden backing board is required when drilling thin plates. When the drill bit is about to penetrate the workpiece, apply light pressure to avoid breaking the drill bit, damaging the equipment or causing accidents. 5. When the drill bit is running, it is prohibited to use cotton gauze and towels to wipe the drill press and remove iron filings. After work, the drilling machine must be wiped clean, the power supply must be cut off, and the parts stack and working area must be kept neat and tidy. 1. Protective equipment must be complete, and the base of the drilling machine should be installed firmly and steadily; it is prohibited to wear gloves, scarves, and cotton gauze pads to handle the workpiece during operation. 2. The amount of drilling should be selected reasonably. Do not press the drill bit too hard during operation to prevent the drill bit from breaking. 3. When clamping a tapered shank drill bit, soft metal should be used to hold the tip and the tip should not be knocked. When using the drill chuck, a special wrench should be used to tighten it, and the outer shell should not be knocked for clamping. 4. The drilled workpiece should be firmly clamped. If the workpiece is small or thin, a hand vise can be used to install it. Do not hold the workpiece directly by hand for drilling. 5. It is forbidden to contact the rotating drill bit and workpiece. When drilling thin plates, the thin plate drill bit should be sharpened. 6. When adjusting the height of the bench drill, hardwood should be placed under the spindle, and the spindle should be raised and lowered to adjust. It is not allowed to suddenly relax and fall, causing damage to the drilling machine. 7. After the operation is completed, turn off the power, clean the drilling machine, lubricate the moving parts, and clean the site after get off work. l. Persons who are not members of this workshop or who are not familiar with this equipment are not allowed to use it without the consent of the instructor. 2. A comprehensive inspection must be carried out before use, and everything is normal before use. 3. The maximum drilling diameter shall not exceed Φ12mm, and the handle must be held tightly when adjusting the height. 4. When using, the workpiece should be fastened to the flat-nose pliers, the drill bit should be clamped firmly, and the fixed parts should be tightened. 5. Coolant must be used when drilling steel parts. The pressure should be light when drilling through. It is strictly forbidden to touch or blow iron filings with your hands. 6. When drilling, cuffs and hair should be tied tightly, and gloves are strictly prohibited. 7. Concentrate when drilling. It is strictly forbidden to talk or laugh. The site must be cleaned after use. 8. If an accident occurs while drilling, stop the machine immediately. If an accident occurs, report it immediately. 1. Preparation for safety protection before work 1. Add grease according to regulations. Check the handle position and perform protective operation. 2. Check your clothes and tie your cuffs tightly. Female students and male students with long hair must wear work caps.

3. It is strictly prohibited to wear gloves when operating to avoid being caught by the rotating part of the drilling machine and causing an accident. 2. Before installing the drill bit, the drill bushing must be carefully inspected. The standardized cone surface part of the drill bushing must not be bruised and raised. If any, it should be repaired and wiped clean with a whetstone before use. Standard iron must be used for disassembly. 3. When drilling thin plate parts, small workpieces, reaming holes or drilling large holes, it is strictly forbidden to use hands to process. 4. Do not operate the drilling machine without permission from the instructor. When the machine tool is not stationary, do not turn the speed dial to change speed, and it is prohibited to hold the drill bit or drill chuck that is not stationary. Only one person is allowed during operation. 5. Use brushes and other tools to remove iron filings. Do not clean directly with your hands or blow with your mouth. 6. After the work is completed, the machine tool should be cleaned, refueled and maintained, cut off the power supply, and maintain good site hygiene.

Question 3: What safety precautions should be paid attention to when using a bench drill? 1. Never wear gloves when operating. 2. Use the key of the drill chuck to load and unload the drill bit. 3. The drilled parts must be clamped. Regarding tools, 4. Female workers must wear work caps when using bench drills.

Question 4: Precautions for using a benchtop drilling machine and how to adjust the speed. The benchtop drilling machine is mainly used in craft workshops and machine tool repair workshops for drilling, reaming, tapping, scraping, etc. of small and medium-sized parts. Compared with the same type of 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 less than 0.01mm, precision drilling of less than 1mm in glass and other materials can be performed.

Question 5: Briefly describe the precautions when using a desktop drilling machine to perform hole drilling. Depends on the drilling machine model and specifications, such as drilling machine model z4125b, Z represents drilling machine, 4 represents desktop drilling machine, such as 2 deep hole drilling machine, 3 radial drilling machine , 4 desktop drilling machines, 5 vertical drilling machines, 6 horizontal 1 represents the drilling machine group code, 25 represents the maximum hole that can be drilled 25mm. b represents the second modification. You can tell that the maximum diameter of the second bench drill processing range is 25mm. If you don’t have a model number to say the range, it’s difficult to answer.

Quality analysis of the inner hole in the car

1. Dimensional accuracy does not meet the requirements

1) The hole diameter is larger or smaller than the required size: the reason is the boring tool If the debugging is incorrect, the tool tip is not sharp, the hole is deflected and jumped, and the measurement is not timely.

2. The geometric accuracy does not meet the requirements

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

2) There is a taper in the inner hole: 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 does not meet the requirements: the reason is that the blade is not

sharp, the angle is incorrect, the cutting amount is improperly selected, and the coolant is insufficient.

Question 6: What should you pay attention to when buying a drilling machine? Industrial bench drills are divided into three-phase and single-phase power supplies. Find out whether you want three-phase or single-phase. Three-phase is AC 380V; single-phase is AC 220V;

As for the brand. The better one is the Xihu brand bench drill. Very famous. Most people buy this. Consider the power when buying. You need to know how big it needs to be. At the very least, you need to know how to buy a bench drill that can drill the largest hole. The ones in West Lake are more expensive. You can search the price online based on the size.

Question 7: Hazards of drilling machine processing and safety precautions for protecting drilling machine operations:

(1) Before work, a comprehensive inspection of the drilling machine, tools, and fixtures must be carried out to confirm that they are correct. operate.

(2) The workpiece clamping must be firm and reliable. When drilling small workpieces, use tools to hold the drill and do not hold the drill with your hands. It is strictly prohibited to wear gloves while working.

(3) When using automatic tool feeding, the feed speed must be selected and the travel limit block adjusted. When manually feeding, gradually increase or decrease the pressure to avoid accidents caused by excessive force.

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

(5) When cutting deep holes and pulling out taper rods, do not use excessive force to avoid hitting the tool with your hands.

(6) When the tool is rotating, the workpiece is not allowed to be turned over, clamped or measured. Keep your hands away from rotating knives.

(5) When using a radial arm drill, no one is allowed to stand within the rotation range of the cross arm, and no obstacles are allowed. The cross arm must be clamped during work.

(8) No objects are allowed to be stacked on the cross arm or workbench.

(9) When the workpiece is finished, lower the cross arm to the lowest position, and the main spindle box is close to the spindle and clamped.

Question 8: What are the precautions and operating standards for using CNC high-speed drilling machines? Professional teachers please provide guidance on the usage environment of CNC plane drilling machines:

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

2. For CNC drilling machines, it is best to place them in a constant temperature environment and away from equipment with large vibrations (such as punch machines) and equipment with electromagnetic interference.

3. Power requirements

4. CNC drilling machines should have operating procedures: perform regular maintenance and upkeep, and record and protect the site in case of failure, etc.

5． CNC drilling machines should not be stored for a long time

Maintenance of CNC system of CNC drilling machines:

1. Regularly replace the memory battery

2. Maintenance of the CNC system when it is not in use for a long time: frequently power on the CNC system or run the CNC drilling machine in a warm-up program.

3. Strictly abide by operating procedures and daily maintenance systems

4. Prevent dust from entering the CNC device:

Floating dust and metal powder can easily cause the insulation resistance between components to decrease, resulting in malfunction or even damage to the components.

5． Regularly clean the cooling and ventilation system of the CNC cabinet

6. Frequently monitor the grid voltage of the CNC system: the grid voltage ranges from 85% to 110% of the rated value.

7. Maintenance of spare circuit boards.

Jinan Shuochao CNC Drilling Machine Safety Operating Procedures

1. Before starting the machine, check that there are no obstructions on the drilling machine workbench and that the relative positions of each handle should meet the tool setting requirements.

2. Each circuit must have good insulation, and the relays and relays that control the clamping device should be checked frequently to prevent the workpiece from loosening and being thrown out.

3. Open the strong power box, turn on the voltage regulator, and check whether the voltage of each power supply is normal.

4. Start the oil pump and observe whether the displayed numbers meet the program requirements.

5. Press the preclear and circular preclear buttons, and then start the drive box.

6. Check whether the self-test of the CNC system is normal. Whether the advance and retraction of the tool and movement are normal.

7. Check whether the pneumatic pressure clamp and workpiece installation are reliable.

8. Make sure 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 any stuck chips;

9. When the machine is drilling, the operator is not allowed to leave the job;

10. If there is abnormal sound or vibration during each startup process, maintenance personnel should be contacted in time;

11. Before leaving get off work, the surrounding working environment should be cleaned, and no iron filings or oil should be left behind

Question 9: What safety issues should you pay attention to when operating a drilling and milling machine? It is similar to a lathe. You must not wear gloves. Female workers must put their hair into a hat, these two are the most important

Question 10: What are the safety precautions for drilling and milling machines when drilling (1) Check your work site carefully before starting work , Clear objects on the machine tool and walkways that may hinder work, and keep the floor clean and dry to prevent tripping or slipping.

(2) Wipe clean the sliding parts of the machine tool surface, inject lubricating oil, move each control handle to the correct position, and run slowly for a few minutes to determine whether the machine tool's mechanical transmission and lubrication system are normal.

(3) Workers must tie their cuffs tightly when operating, and lesbians must wear work caps.

(4) Use the correct workpiece installation plan, and the workpiece must be clamped firmly.

(5) Before drilling and installing, the handle and the taper hole of the drilling machine spindle should be wiped clean.

(6) It is strictly forbidden to wear gloves when drilling, and it is not allowed to use cotton gauze to add cutting fluid to the drill bit.

That’s roughly it! If useful, adopt it