4) Support online processing of CNC machine tools, and realize simultaneous online processing of multiple machine tools, support breakpoint resume transmission function during online processing, and support online call of subroutine during DNC online processing;
5) Support automatic download of NC program files from the machine side to the computer side;
6) Multiple machine tools can simultaneously call the required machining program;
7) Automatically generate a file transfer information report for statistical and verification management;
8) Complete error report;
9) Provide various ways of comparing functions of different NC programs to facilitate comparison between two or more programs;
10) Can provide powerful NC program editing functions;
11) The transmission distance is not limited;
12) Provide program database management functions; and so on.
Five, several overall solutions for machine tool networking
Due to the different scales and different working habits of various CNC workshops (or factories), the networking schemes of different units are not the same. It may be a typical connection form or a combination of several forms. But the principle is the same, let's introduce the most common networking solutions.
1. Intermediate client type In this scheme, one client is used to control multiple CNC devices through multiple RS232 interfaces (or multi-function serial communication cards), and each client passes Ethernet and server, workshop. The entire factory and even the Internet are seamlessly connected.
The advantages and disadvantages of this scheme are:
advantage:
a) The cost is low. When the number of machine tools is larger, the average cost per machine is lower.
b) The construction of the local area network is not necessary, and it has not changed much from the original system.
Disadvantages:
a) When a certain hardware or software fails, it will affect the operation of multiple devices.
b) Limited by the RS232 transmission distance, when the distance exceeds 15 meters, the long distance receiver must be added.
c) More PCs are needed.
2. Multi-serial device server type; this solution features a multi-serial device server to connect multiple CNC devices to Ethernet, so that any computer on the Ethernet can directly control the network. Any machine tool. The related pictures of this topic are as follows:
advantage:
a) The average cost is lower. Compared with the previous solution, the cost is slightly higher, but when the number of machine tools is large, the cost is still low.
b) Flexibility, because any computer can control any CNC equipment, so it has high flexibility.
Disadvantages:
a) When multiple serial port device servers fail, it will affect multiple devices.
b) Limited by the RS232 transmission distance, when the distance exceeds 15 meters, the long distance receiver must be added.
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A captive bolt pistol (also variously known as a cattle gun, stunbolt gun, bolt gun, or stunner) is a device used for stunning animals prior to slaughter.
The principle behind captive bolt stunning is a forceful strike on the forehead using a bolt to induce unconsciousness. The bolt may or may not destroy part of the brain.
The bolt consists of a heavy rod made of non-rusting alloys, such as stainless steel. It is held in position inside the barrel of the stunner by means of rubber washers. The bolt is usually not visible in a stunner in good condition. The bolt is actuated by a trigger pull and is propelled forward by compressed air or by the discharge of a blank round ignited by a firing pin. After striking a shallow but forceful blow on the forehead of the animal, spring tension causes the bolt to recoil back into the barrel.
The captive bolt pistols are of three types: penetrating, non-penetrating, and free bolt. The use of penetrating captive bolts has, largely, been discontinued in commercial situations in order to minimize the risk of transmission of disease.
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