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The function difference between HW series circuit board engraving machine and ordinary circuit board engraving machine
1. The difference between circuit board engraving machine and ordinary engraving machine
The core equipment of the rapid circuit board manufacturing system is the circuit board engraving machine. There are many similar devices on the market with many names and different performances. Many people regard the "engraving machine" used in the fields of advertising, stamps, molds, furniture, advertising and decoration and handicrafts as well as the "circuit board engraving machine" used in the field of electronic microwave communications. device. There are many differences between the two.
The main difference is the processing accuracy. The former has a precision of tens of microns, and the latter has a level of a few microns, or even smaller. In terms of processing materials, the former is suitable for carving PVC, acrylic, wood, marble and other materials. The latter is more Suitable for making various copper clad circuit boards;
In terms of power, the former is generally larger; the types of tools used are also different. The former has more types of tools and larger sizes. The latter has a standard 1/8 "shank diameter; the other two devices use motors and motions There are also many differences in the control of the system.
In general, the circuit board engraving machine is a hardware component of the CNC machining center used in the field of electronic production. It, together with other hardware systems and CAM software systems, constitutes the peripheral CAM (computer-aided manufacturing) of the EDA / CAD design system system.
2. Necessary functions of circuit board engraving machine
Positioning holes and positioning pins: Double-sided PCBs need to be engraved on both sides, and manual turning will bring serious errors; positioning holes and positioning pins can effectively ensure accuracy.
Drilling: Automatically prompt all required hole diameters, number of holes and existing drill diameters, and the corresponding relationship can be freely selected.
Digging holes: It is impossible for users to buy all kinds of drill bits. The digging function can use a 0.8mm cutter to dig out any holes above 0.8mm, which greatly saves the drill bit for the user.
Trial carving: draw a frame according to the size of the circuit board to observe the depth of the carving knife.
Isolation: Carve a circle along the line to be left to separate the line.
Milling and engraving: Mill all copper that is not needed on the board surface. After the isolation is completed, milling is performed.
Isolation width: The user can choose to mill off the copper in the range of 0-20mm around the line to facilitate welding.
Center cut edge: According to the design of the user's Keepout layer, cut edges along the center of the Keepout. Can complete all kinds of special-shaped board. Note: The actual size of the circuit board is not the same as the drawing, the user must calculate it first.
3. Unique functions of HW series circuit board engraving machine
Asymmetric positioning: In the process of making a double panel, the user needs to remove and install the copper clad plate several times; because the positioning hole is asymmetric, it can only be installed when the direction is correct. And the positioning hole contains a marking hole, so that the user can easily distinguish the front and back and front and back positions.
Digging hole increment: Considering the effect on the hole diameter during electroplating, the user can set a certain increment when digging the hole to slightly expand the hole diameter.
Intelligent engraving: Select two engraving knives at the same time, and the drawings will be automatically divided into circuit boards for combined engraving. This method can greatly shorten the engraving time, and can greatly improve the success rate of high-precision circuit boards.
Intelligent cutting edge (default option): According to the user's circuit board, automatically determine the outer frame, inner frame and internal lines, automatically calculate the cutting edge path, to ensure that the actual size of the circuit board is the same as the drawing. Can complete all kinds of special-shaped board.
Breakpoint engraving: previous circuit board engraving machines required users to complete the circuit board processing process at one time. If the machine was shut down halfway, the previous work would be wasted; the breakpoint engraving function can continue processing from any location. Record the current position.
Power-off and engraving: Once power-off occurs during the engraving process, the user can remove the circuit board, perform positioning operation at any position on the platform, and then install the circuit board to continue engraving.
Engraving in any area: Due to the quality of the copper clad laminate, it is often uneven. The user spent a lot of time to make a circuit board, and found that there are some places where the copper block is not milled out and can not be used; the engraving function in any area can freely choose any area , Re-adjust the depth to engrave the specified area, and the user can select multiple areas at the same time.
Processing path preview: display all processing paths and estimated processing time according to the set parameters before processing, which is convenient for users to judge the processing effect in advance.
Virtual processing: The processing process is displayed virtually according to the processing path, and the user can observe the processing sequence of all paths in advance.
Real-time display of the processing path: the spindle position is displayed in real time during the processing, which is convenient for the user to make a judgment.
Puzzle: Users can draw multiple circuit boards on the same PCB and sculpt at the same time.
Batch board making: When opening a PCB file, the user can specify the quantity and discharge method to be made, and engrave at the same time.
Automatic origin positioning: After setting the origin, the user can press the "Return to Origin" button at any position to automatically return to the origin. In this way, the user can move the spindle arbitrarily when changing the tool, observe the effect, and then return to the origin to continue processing.
Automatically turn off the spindle: some large circuit boards require a long time to complete an engraving. Once the user walks away, the main board of the circuit board engraving machine is always in working condition, affecting its life; The spindle is automatically turned off. After the current operation is completed, the spindle will be automatically turned off.
Turn off the computer automatically: After the current operation is completed, the computer will automatically turn off.
Limit protection: Once the spindle exceeds the board surface, the power supply of the motor driver is automatically cut off.
Depth limit: In order to prevent the spindle from descending too deep, the Z axis travel is automatically limited.
The engraving speed is infinitely adjustable: according to different tools, users can adjust the engraving speed arbitrarily.
Adjustable shaft speed: according to different needs, users can adjust the spindle speed.
4. Performance comparison table of HW series circuit board engraving machine and common circuit board engraving machine
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