In recent years, the construction machinery industry has developed rapidly, especially the volume of small earthmoving works carried out by mini excavators and small excavators. In the case that the labor can not meet the construction needs, Sany creatively developed a powerful micro-excavation. It is said that a Sany micro-digging is equivalent to 18 strong men. Do you believe it or not? Next, let's take a look at the charm of Sany's SY55U miniature tailless hydraulic excavator. First of all, this micro-drilling machine weighs 5200kg, bucket capacity: 0.18m3, power: 31.2kW/2200rpm, is a tailless micro-digging, strong site adaptability, high efficiency, low consumption, green environmental protection, convenient maintenance. Product features are as follows: Sany no tail excavator, the site adaptability, flexible and flexible, the appearance of the atmosphere. The Kubota engine exclusively supplied by Sany can ensure the reliability of the machine under severe working conditions; Internationally renowned hydraulic components ensure high reliability of the hydraulic system. The cab is designed with anti-rollover and anti-fall structure to meet the safety standards of China, EU, North America and other regions, and has obtained TOPS and FOPS safety certification. Full-featured, each excavator must undergo more than 20,000 hours of field excavation testing; Heavy-duty parts must undergo more than 800,000 fatigue tests. Standard enhanced working device and enhanced X-shaped lower frame, the performance of the whole machine is more stable, the digging force is stronger than other brands of the same tonnage, and the mining is more powerful. The large-area cover opening method is adopted, and after standing, it can stand on the ground for daily maintenance and maintenance, and the maintenance is convenient and the proximity is good. This Sany micro-drill is well received by the market and users, the quality is excellent, and the market needs it. In the end, you can draw a conclusion in the market. (This article is from Sany Heavy Industry)
First, the use of vacuum annealing furnace
This equipment is used for pre-vacuum nitrogen protection annealing heat treatment of carbon steel wire.
Second, the equipment composition
The well type resistance furnace mainly comprises: a furnace body, a furnace shell(tube), a furnace cover and a lifting mechanism, a furnace lining body, a heating element and a fixing device, and a furnace temperature control system.
Third, the main technical performance indicators (design parameters)
3.1, stainless steel inner tank size: diameter 1750mm X height 2100mm
3.2, rated heating power: 270KW
3.3, rated temperature: 800 ° C
3.4, heating mode: 3 zone control, power supply ~ 380V, frequency 50Hz, star-shaped connection
3.5, heating element: material is 0Cr25Al5 resistance band
3.6, temperature measurement point temperature control accuracy: ≤ ± 1 ° C
3.7, Work area temperature field uniformity: ≤ ± 10 ° C
3.8, furnace out-wall temperature rise: ≤ 40 ° C
3.9, lining form: refractory fiber
3.10. Seal between furnace cover and furnace body: labyrinth sand seal
3.11, furnace cover opening mode: electric lifting
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