At present, CNC flame and plasma cutting machines have begun to spread in large numbers in China's manufacturing enterprises. In order to improve production efficiency and expand production scale, many enterprises have begun to purchase and use CNC cutting machines, but for the lack of CNC cutting concepts and knowledge, in the purchase and There are some technical problems and difficulties in using CNC cutting machine. For this reason, we briefly summarize the article on the procurement and sales guide of CNC cutting machine, hoping to help the procurement and sales of CNC cutting machine, and The popularity of CNC cutting technology.
The CNC cutting machine is composed of three parts, one is the machine part, the second is the numerical control system, and the third is the optimized nesting software.
1. The machine part is the main part of the CNC cutting machine, including the beam guide of the frame part, the rack and pinion transmission system, the reducer, the servo motor system, the pneumatic system, the lifting system, the electric control cabinet, etc., and according to the needs of use, With automatic height adjustment system, ignition system, scribing system, cooling system, etc. The manufacturing quality and machining accuracy of the machine part, the selection of key components, such as reducer, servo system, automatic height adjustment, etc., all determine the functional configuration of the CNC cutting machine, machine life, cutting quality and accuracy.
2. CNC system is the command center of CNC cutting machine. Its core is an industrial computer (or industrial controller) and a set of cutting control software for CNC cutting. The hardware configuration of the industrial controller in the CNC system determines the stability of the CNC cutting machine and the CNC system. The cutting control software in the CNC system provides various cutting processes and motion control methods required for CNC cutting, which determines the CNC cutting machine. Cutting efficiency and cutting quality.
3. Optimized nesting software is an indispensable tool for the effective use and efficient cutting of CNC cutting machine. Its core functions: First, centralized optimization of nesting of parts and steel plates, especially optimization of nesting of the whole board and optimization of nesting materials. Effectively improve the utilization rate of steel casings, and secondly, the efficiency of nesting programming and cutting. Through automatic manual interactive quick nesting, automatic programming and efficient cutting process, effectively improve the efficiency of CNC cutting nesting programming and cutting of CNC cutting machine. effectiveness.
Enterprises to buy CNC cutting machine will undoubtedly have to achieve three main purposes:
1. It can cut plates of certain materials and thicknesses, and produce and process enterprise-specific products.
2. Can effectively improve cutting efficiency and cutting quality,
3. Can effectively save steel and consumables!
According to the three main purposes of the company to purchase CNC cutting machines, procurement and sales can be roughly divided into the following five steps:
Step 1: Select and determine the type and specific configuration of the CNC cutting machine:
According to the material and thickness of the enterprise to be cut, as well as the cutting efficiency and cutting quality requirements, first of all, the type of CNC cutting machine, such as flame, plasma, laser, or CNC bevel cutting machine can be determined. Secondly, according to the thickness of the cutting material, understand the effective perforation ability and perforation technology of the flame and plasma CNC cutting machine to select and determine the specific configuration of the CNC cutting machine, such as plasma power type, flame gun and preheating cutting oxygen configuration, or The groove cuts the way to determine the CNC cutter configuration and approximate price.
In particular , the effective cutting thickness of the CNC flame cutting machine depends on the perforation capability of the thick plate and the automatic perforation technology. It can be realized by the multi-stage automatic perforation process in the secondary, tertiary or even multi-stage solenoid valve control and numerical control system. The effective cutting thickness of a CNC plasma cutting machine depends on the power of the plasma power source and its corresponding effective perforation thickness, not the maximum cutting thickness.
Procurement and sales focus: Purchasing and sales personnel should carefully read and remember the effective cutting thickness (internal perforation) and maximum cutting thickness (cutting from the edge) recommended by different manufacturers of different power plasma power sources to ensure effective cutting of CNC plasma cutting machine And perforation thickness. Learn and understand the thick plate perforation process and equipment configuration of the CNC flame cutting machine, as well as the automatic perforation process and perforation technology provided in the CNC system to ensure that the CNC flame and plasma cutting machine has effective perforation process and cutting ability.
Airborne plasma power cutting parameter reference table | ||
Airborne plasma power supply | Effective cutting thickness (perforation) | Maximum cutting thickness (edge ​​start) |
Powermax1650 | 12mm | 19mm |
MAX200/HT2000 | 25mm | 50mm |
Hypertherm 130 | 16mm | 38mm |
Hypertherm 260 | 32mm | 64mm |
Kjellberg HiFocus130 | 25mm | 40mm |
Kjellberg HiFocus160i | 35mm | 50mm |
(Source: The technical data of American Hypertherm and German Kelby Company shall prevail.)
Step 2: Inspect and determine the composition and manufacturing quality of the machine part of the CNC cutting machine:
After the CNC cutting machine model and configuration are determined, the composition, manufacturing quality and price of the machine part of the CNC cutting machine will be examined and determined. The composition and manufacturing quality of the machine part, including the machining and matching of key components such as rack guides, rack and pinion, gearbox, servo system, pneumatic system, and height adjustment system, as well as grounding and shielding technology for machine tool installation, are all related to The quality and cost of the CNC cutting machine part determines the service life and cutting quality and cutting accuracy of the CNC cutting machine. At the same time, it also determines the main price of CNC cutting machine procurement and sales.
Procurement and sales focus: Purchasing and sales personnel need to carefully understand and compare the machine structure of different CNC cutting machines and the selection of key parts of the machine tool. On the one hand, we understand the manufacturing capabilities, talents and technical strength of cutting machine enterprises, and ensure the manufacturing quality of CNC cutting machines and the precision of machine tools. On the other hand, understand the manufacturers and quality of imported and domestic key component parts. Through the selection of high-quality imported and domestic key components and components, the quality and precision of the CNC cutting machine mechanical and electrical components are ensured, and the service life and cutting quality and cutting precision of the CNC cutting machine are ensured.
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