News
2020 National Day holiday notice.
Dear Sir/Madam, I’m not in the office from Oct.1st until Oct.8th because of the public holiday of National Day and Mid-Autumn Festival. All of processing order were updated status to you before Oct. 1st, and all of outstanding inquiry will come to you as usual. You also can send you new orders/inquires/question to me as […]
2020 Chinese Mid Autumn Festival party will be held in Luoyang.
2020 Chinese mid autumn Festival Gala, referred to as CCTV autumn Gala, is a variety show held by CCTV to celebrate the annual traditional festival of the Chinese nation during the Mid Autumn Festival. In 2020, CCTV’s mid autumn party will be held in Luoyang. Luoyang is the ancient capital of the thirteen dynasties. It […]
Selection of gear processing materials
How to select the gear material during processing. Gear transmission transmits the motion and power between any two shafts in space through the meshing of gear teeth, and can change the form and speed of motion. Gear transmission has a wide range of use, constant transmission ratio, high efficiency and long service life. When selecting […]
What are the types of gear transmission?
Gear transmission is widely used in industry. It is a mechanical transmission that uses the teeth of two gears to mesh with each other to transmit power and motion. So what are the types of gear transmission? 1. Cylindrical gear transmission For the transmission between parallel shafts, the general transmission ratio can reach 8 in […]
The swing gear/swing ring with OD2000mm is finished and delivered.
The swing gear/swing ring used for grinding machine is finished and delivered to customer. The swing gear details is as following. Product: swing gear M=6 z=358 Diameter=2161 Accuracy class: 6, with tooth grinding Material: 42CrMo4 Heat treatment: QT240-260 Tooth profile: spur gear The gear is ground with grinding machie Germany Niles gear grinder, it has CMM online […]
Two casting gear wheels were finished and delivered to French customer.
After strict production and quality control, two casting gears with outer diameter of 1700mm meet the customer’s drawings and technical requirements totally, and are sent to French customers by train.
Gearbox of Vertical mill repair and maintain
This gearbox is a repair and maintenance project of our company for a well-known iron and steel company. Through checking whether the gears, shafts, housing, expansion sleeves, couplings, bearings and other parts with damage, and give reasonable maintenance suggestions to customers. Recommended replacement or repair: 1. Input shaft coupling 2. High speed shaft 3. Low […]
PRM has been back to work from March 1st, 2020 after the coronavirus be controlled.
Dear All suppliers and Partners, Thanks for your support and understanding during this period. Glad to inform that we have resumped to work from March 1st, 2020 after the Coronavirus be controlled in China. We very appreicate all the effort from the peope and goverment. From Feb. 20, it has been no coronavirus […]
Installation and alignment between girth gear and pinion of ball mill
There are two kinds of transmission forms of ball mill, i.e. center transmission and edge transmission. The two kinds of transmission have their own advantages and disadvantages. The central transmission adopts a high-speed planetary reducer, which is safe and reliable, with a service life of up to 10 years, low maintenance cost, but large one-time […]
Customized survey and manufacture gear rim and pinion shaft of 3600x4000mm rotary kiln
PRM engineers conduct mapping for the user’s 3600x4000mm rotary kiln pinion shaft(gear shaft )and gear rim (big gear) at the customer’s work site, and we will manufacture this pinion shaft and gear rim for the user after the mapping is confirmed. We can not only process the gear rim and pinion shaft according to the […]
2020 National Day holiday notice.
/in News /by adminDear Sir/Madam, I’m not in the office from Oct.1st until Oct.8th because of the public holiday of National Day and Mid-Autumn Festival. All of processing order were updated status to you before Oct. 1st, and all of outstanding inquiry will come to you as usual. You also can send you new orders/inquires/question to me as […]