Application of Parameter Variables of OKUMA CNC System in Hole Machining
2025-08-02 02:37:07
We are currently involved in the development and trial production of new products. The process of R&D for new products is typically one of continuous improvement and frequent modifications. In many cases, changes are made locally based on previous designs—such as adjusting the position or size of a hole, moving a boss, or modifying the location of a counterbore. When it comes to machining with CNC machine tools, small holes are relatively easy to process. However, for larger holes, such as those with a diameter of 40mm or more, or even over 100mm, the lack of appropriate roughing and finishing boring tools can make the process quite challenging. Purchasing these specialized tools can be costly and significantly extend the time required for product development and trial runs.
To address this issue, we have developed a simple subroutine tailored for our Beibei horizontal machining center (model: MAR-500/630H). This subroutine proves highly effective for machining internal and step holes. Its implementation not only reduces tool costs, shortens the trial production cycle, but also minimizes programming errors that often arise from design changes.
For example, consider a product called a "bracket" made from ZL101 aluminum alloy. It has multiple holes in the machining area, and the main dimensions are simplified as shown in the figure. There are five holes in total, none of which are pre-drilled. Our approach involves first drilling with a 27mm drill bit, then using a 36mm high-speed steel end mill to plunge into the 36mm hole. At the same time, we use the 36mm cutter to mill all non-tolerance holes, leaving a 0.5mm tolerance after milling. Finally, we finish all the tolerance holes using a 20mm tungsten carbide end mill—all without computer programming, completing all holes with just three tools.
The program follows this sequence:
N1500 T11 M6 (27mm drill)
N1505 G0 G90 G15 H1 X-184.6 Y102.1 (58mm hole)
N1510 S700 M3
N1515 G56 H11 Z100. M8
N1520 G71 Z50
N1525 Z5
N1530 G81 Z-25 R5 F350 M53
N1535 X-100.5 Y44.5 (42mm hole)
N1540 X0 Y0 (60mm holes)
N1545 X26 Y92 (72mm hole)
N1550 X6 Y164.1 Z-35 (45mm holes)
N1555 G80 M9
N1560 G00 Z800 M5
(For more details, refer to "Metalworking (Cold Processing)" Issue 9, 2013.)
Thanks to design changes, if the position, size, or depth of a hole changes, we only need to update the corresponding coordinate values in the program. This makes the process simple, fast, and less error-prone. Additionally, this method is applicable to other CNC systems as well. These are some of our practical experiences gained during the production and processing stages. We hope to exchange ideas with our peers and continue exploring and improving together.
These winches are designed to handle the tough conditions of offroad driving. They are typically mounted on the front or rear of the vehicle, and are powered by the vehicle's battery. This allows them to provide a powerful pulling force, even in situations where the vehicle's engine may not be able to provide enough traction.
There are several types of offroad winches available, each with its own advantages and disadvantages. Electric Winches are the most common type, as they are easy to install and operate. They are also relatively lightweight and affordable. However, they may not be as powerful as some other types of winches, and they can be affected by extreme temperatures and moisture.
Hydraulic winches, on the other hand, are more powerful and reliable than electric winches. They are also less likely to be affected by the elements, making them a good choice for use in harsh environments. However, they are typically more expensive and heavier than electric winches, and they require a hydraulic pump to operate.
Mechanical winches are another option, but they are less common than electric and hydraulic winches. They are typically used in applications where a high level of precision is required, such as in industrial settings. Mechanical winches are powered by a hand crank or a motor, and they can provide a very powerful pulling force. However, they are also the most difficult to install and operate, and they can be quite heavy.
When choosing an offroad winch, there are several factors to consider. The first is the pulling capacity of the winch. This is measured in pounds, and it should be at least 1.5 times the weight of your vehicle. For example, if your vehicle weighs 5,000 pounds, you should choose a winch with a pulling capacity of at least 7,500 pounds.
The type of cable or rope used by the winch is also important. Steel cables are the most common type, as they are strong and durable. However, they can be heavy and difficult to handle, and they can also rust over time. Synthetic ropes, on the other hand, are lighter and easier to handle, and they are less likely to rust. However, they may not be as strong as steel cables, and they can be more expensive.
Another factor to consider is the mounting options available for the winch. Some winches are designed to be mounted directly to the vehicle's bumper, while others require a special mounting plate or bracket. Make sure to choose a winch that is compatible with your vehicle's make and model, and that can be easily installed.
Finally, you should consider the features and accessories available for the winch. Some winches come with a remote control, which allows you to operate the winch from a safe distance. Others may come with a built-in brake, which helps to prevent the winch from slipping when it is under load. There are also a variety of accessories available, such as winch fairleads, hooks, and snatch blocks, which can help to improve the performance and safety of the winch.
In conclusion, an offroad winch is an essential piece of equipment for any vehicle that ventures off the beaten path. By choosing the right winch for your needs, you can ensure that you have the power and reliability you need to get out of any sticky situation. So, if you're an offroad enthusiast, make sure to invest in a high-quality offroad winch today!
An offroad winch is an essential piece of equipment for any vehicle that ventures off the beaten path. Whether you're driving a 4x4 truck, an ATV, or a UTV, an offroad winch can be the difference between getting stuck and getting home safely.
These winches are designed to handle the tough conditions of offroad driving. They are typically mounted on the front or rear of the vehicle, and are powered by the vehicle's battery. This allows them to provide a powerful pulling force, even in situations where the vehicle's engine may not be able to provide enough traction.
There are several types of offroad winches available, each with its own advantages and disadvantages. Electric Winches are the most common type, as they are easy to install and operate. They are also relatively lightweight and affordable. However, they may not be as powerful as some other types of winches, and they can be affected by extreme temperatures and moisture.
Hydraulic winches, on the other hand, are more powerful and reliable than electric winches. They are also less likely to be affected by the elements, making them a good choice for use in harsh environments. However, they are typically more expensive and heavier than electric winches, and they require a hydraulic pump to operate.
Mechanical winches are another option, but they are less common than electric and hydraulic winches. They are typically used in applications where a high level of precision is required, such as in industrial settings. Mechanical winches are powered by a hand crank or a motor, and they can provide a very powerful pulling force. However, they are also the most difficult to install and operate, and they can be quite heavy.
When choosing an offroad winch, there are several factors to consider. The first is the pulling capacity of the winch. This is measured in pounds, and it should be at least 1.5 times the weight of your vehicle. For example, if your vehicle weighs 5,000 pounds, you should choose a winch with a pulling capacity of at least 7,500 pounds.
The type of cable or rope used by the winch is also important. Steel cables are the most common type, as they are strong and durable. However, they can be heavy and difficult to handle, and they can also rust over time. Synthetic ropes, on the other hand, are lighter and easier to handle, and they are less likely to rust. However, they may not be as strong as steel cables, and they can be more expensive.
Another factor to consider is the mounting options available for the winch. Some winches are designed to be mounted directly to the vehicle's bumper, while others require a special mounting plate or bracket. Make sure to choose a winch that is compatible with your vehicle's make and model, and that can be easily installed.
Finally, you should consider the features and accessories available for the winch. Some winches come with a remote control, which allows you to operate the winch from a safe distance. Others may come with a built-in brake, which helps to prevent the winch from slipping when it is under load. There are also a variety of accessories available, such as winch fairleads, hooks, and snatch blocks, which can help to improve the performance and safety of the winch.
In conclusion, an offroad winch is an essential piece of equipment for any vehicle that ventures off the beaten path. By choosing the right winch for your needs, you can ensure that you have the power and reliability you need to get out of any sticky situation. So, if you're an offroad enthusiast, make sure to invest in a high-quality offroad winch today!
Waterproof & Dustproof Offroad Winch,High-Speed Offroad Winch,Lightweight Synthetic Offroad Winch
JINHUA RUNYE TECH. CO.,LTD , http://www.irunwinch.com