Specification                                                    Name: Portable pneumatic marking machine          Model: KT-QD05          Marking banner: 150*50/ 120*40 / 80*20 / 50*20          Marking speed: (3MM high) English, numbers 1-4 per second (adjustable)          Marking depth: 0.1-2MM, depending on the hardness of the test material          Repeatability: 0.04mm          Printing speed: 3-5 No. 2 characters per second or 60mm straight line (speed adjustable)          Marked content: English, numbers, punctuation, Chinese, graphics          Hardness requirement: HRC≤60          Voltage: 220V±10% 50HZ          Air source: 0.2-0.6MPa, dry and pure          Ambient temperature: 0-400C          Overall power: ≤400W          Lifting range: 300mm          Printing accuracy: 0.02mm, can print 1*1mm characters          Printing range: 150*50, 120*40, 80*20, 50*20                    Features:          1. It can automatically print the marking work of production serial number, VIN code,           production date, production batch, special graphic symbols, etc.          2. It can be connected to the Internet, and the printed content can be automatically           stored and traceable; the input content will not be damaged due to power outages or          shutdowns, and can be saved and retained at the same time.          3. Standard printing interface technology, system fault diagnosis, and communication           with the host computer, X reset, Y reset and printing status indication.          4. It has the dual diagnosis function of manual test and software automatic test.          5. 64 subdivision drives, linear guides, high-precision stepping motors, reliability, printing          accuracy, and high repeat accuracy.                    Applications:          The portable marking machine is suitable for fieldwork, large-scale work and modification           of marks in other places. The equipment is light in weight, small in size, and easy to carry.           It can be widely used in refitting factories, automobile sales companies, mining machinery,          petroleum machinery, ships, engine manufacturing and other industries.