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ZDMJ-20D stone polishing machine (NEW) 〖Automatic polishing machine for granite slab;stone plishing machine;granite polishing machine〗

Name	Unit	ZDMJ-8D	ZDMJ-12D	ZDMJ-16D	ZDMJ-20D	ZDMJ-24D
The number of grinding	N	8	12	16	20	24
Thickness of the effective work	mm	15-50	15-50	15-50	15-50	15-50
Effective working width	mm	300-1050 (AddWidth1250)	300-1050 (AddWidth1250)	300-1050 (Add Width1250)	300-1050 (Add Width1250)	300-1050 (Add Width1250)
Belt feed rate	m/min	0-2.5	0-3	0-3.5	0-4	0-5
Grinding motor power	kw	7.5	7.5	7.5	7.5	7.5
Total power	kw	65	95	125	155	190
Water consumption	m3/h	8	12	16	20	25
Dimensions	m	5.1x1.9x2.2	6.4X1.9X2.2	7.8X1.9X2.2	9.3X1.9X2.2	10.8X1.9X2.2

1: The control system ofIn combination with the domestic market demands, this machine adopts the design scheme of the foreign party and automatic system, which is featured as reliable performance, high yield and lower maintenance.

2: The machine is made by standard castings and steel, branded electrical equipment made in German, Japan and Taiwan, as well as branded bearing, motor and gear reducer.

3: The control system of this machine adopts PLC terminal control with LCD touch screen terminal as HMI for parameter setting and fault prompts during operation, etc. It is applicable to continuous grounding and polishing granite tile. Operating speeds of plate conveying and crossbeam of polishing disc are controlled by frequency converter; working pressure and the polishing width of tileplate are adjustable within the setting values. This machine can also automatically identify the shape of tileplate, so that each polishing disc (polishing head) could automatically lift and lower according to the identified shape of tileplate, and conduct tracking records for tileplate polishing at the same time. The overall machine is produced according the standard requirements with performance up to the leading domestic level.

1:The touch screen adopts Taiwan WEINVIEW electrical equipment and button adopts products from Siemens (Jiangsu);

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2:Computer (micro-processor) is selected the imported Mitsubishi products from Japan with the best stability and lowest failure rate among the same products. The frequency converter adopts product made by Schneider Electric which is a manufacturer specialized in frequency converter recognized all over world. Relay is from Siemens and intermediate relay from LG appliance.

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1：The polishing head with new structure could adjust rubber elasticity of each polishing head according to the different grinding materials, so the fineness and flatness of tileplate produced under the same conditions will be increased over 10%. The design of the polishing head could also avoid damaging the polished materials to maximum limit.

2:Adopt the adjustable lifting stroke polishing head,which can reduce the recoil resistance of polishing head and adjust the up and down limit polisition of polishing head suitable for different hardness slabs.The advantages of this improvement: 1.polishing the more thinner slab. 2.extend service life of the belt 3.increasing the polishing production. 4.redcing the abrasive consumption etc.

3:The inner connect surface of the up/down polishing head uses the oil-free self-lubricating bearing sleeve,which can reduce the wear gap of polishing head,effectively decrease the polishing scratches of slab,and improve the using life of thepolishing head greatly.(Alternative)

4:The linear guide (imported from Taiwan) is adopted as for side beam traveling, so the crossbeam is stable without vibration and jacking-up during traveling.

5:The rear of 20 (24) heads adopts cascade mechanism of double gear reducer promising powerful driving and long service life.

6：The rear of 12 (16) heads adopts a mechanism of single gear reducer.

7：Gear reducer is connected with idler wheel by chain so as to reduce possibility of shaft broken

8：The rotary encoder for side beam traveling adopts synchronous belt drive with features of stable signal and convenient maintenance, etc.

9：Primer adopts epoxy aluminum primer for good antirust performance and long service life.

10：Pneumatic components (including cylinder, air valve and regulating switch) adopt Taiwan "AirTAC" products with stable quality and lower fault rate.

11：Main motor is made according the old standard for powerful drive. Aluminum casing could lower total weight of crossbeam, and be featured as light and quick during swing which is helpful to increase yield.