G-800 Large Sized Cylindrical Grinding Machine for External Grinding

Product Description

Large OD Cylindrical Grinding Machine
(Model: G-800 x 3000/4000/5000 workpiece length)
Features:
* The wheel head cross feed is driven by hydraulic, which realizes automatic periodical and rapid feed. It can also do rough and fine feed through hand wheel.
* The worktable and wheel head guide way adopt hydrostatic lubrication, its movement on low speed is smooth.
* The spindle is supported by hydrodynamic bearings of high rigidity, ensuring the high rotary accuracy and perfect rigidity.
* The workhead adopts inventer motor to realize variable speed changing.

Specification		Unit	G-630	G-800
* General capacity
Distance between centers		mm	2000, 3000, 4000, 5000	3000, 4000, 5000
Center height		mm	370	500
Dia. Ground (O.D)		mm	30-630	50-800
Max. length ground (O.D)		mm	2000, 3000, 4000, 5000	3000, 4000, 5000
Max. weight of workpiece		kg	3000	3000
* Work head
Center taper (MT)		MT	(metric) 80#	(metric) 80#
Spindle speed		r/min	50HZ:10-100 stepless	50HZ:10-100 stepless
* Wheel head
Wheel spindle speed		r/min	870	870
Wheel head rapid travel		mm	100	100
Max. travel		mm	475	550
Hand feed per.rev		mm	rough:4, fine:0.5	rough:4, fine:0.5
Hand feed per.gra		mm	rough:0.02, fine: 0.0025	rough:0.02, fine:0.0025
Wheel size (ODXWXID)		mm	750x75x305	900x75x305
Peripheral velocity		m/s	35	35
* Table
Hand feed per.rev		mm	5	5
Max.swiveling angle of table	Clockwise	°	2° (2000), 1° (3000, 4000, 5000)	1° (3000, 4000, 5000)
	Anticlockwise	°	4°(2000), 3° (3000), 2° (4000), 1.5° (5000)	3° (3000), 2° (4000), 1.5° (5000)
Table Longitudinal speed range		m/min	0.1-2.5	0.1-2.5
* Tailstock
Center taper (MT)		MT	(Metric) 80#	(Metric) 100#
Quill travel		mm	70	70
* Motor
Wheel head motor power		kw	22	22
Work head motor power		kw	15	15
* Machine
Gross weight		T	20(2000), 22 (3000), 24 (4000), 26 (5000)	30 (3000), 36 (4000), 41(5000)

*** Standard accessories: Coolant tank; Wheel periphery dresser base(without diamond pen); Flange and wheel extractor; Standard grinding wheel; Balancing arbor; Working lamp; Leveling wedge; Open steady rest; Internal grinding device for UG-200; Operational manual(English edition). ***Optional accessories: Balance stand, Magnetic separator apparatus, Paper filter apparatus, Center grinding attachment, Close steady rest, End wheel dresser, Radius (arc) wheel dresser.
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Conventional Lathe	CNC Lathe	CNC Machining Center	CNC Milling Machine
Grinding Machine	Milling Machine	Special Use Lathe	Boring Machine

Our Advantages
1. Free replacing parts available in the warranty period. Cost price replacing parts available beyond the warranty period.
2. Quick action and reply for the technical questions at any time in the whole life of the machine.
3. Overseas after service center available in some region.
4. Engineer overseas service available on the requirement of customer(relative cost born by customer).
Packaging & Shipping
Company Profile
Timeway Machine Tool Co., Ltd. is a professional machine tool manufacturing enterprises, the main products include lathe, milling machine, grinding machine, etc., and according to customer needs we also can design and manufacture various special purpose machines, to provide relative technology upgrading and transformation services in machine tool field.
Since the establishment of the Ministry of Foreign Trade, we have participated in various domestic and international exhibitions such as the Autumn Canton Fair, Beijing Exhibition, Shanghai Exhibition, Moscow, Ethiopia, and Russia, and have maintained long-term friendly cooperative relations with exhibition customers.
Customer visited
So far, we have received many customers from abroad, and they are all very satisfied with our company and products
The following is one of the most satisfactory products recommended by customers, as well as our main product categories. you can click and view

FAQ
Q: Why choose TIMEWAY MACHINE?
A: 1 . High quality with competitive price;
2 . Professional R&D team and 25 years export experience;
3 . Exported more than 60 countries;
4 . CE, ISO Certificates;
5 . 24 HOURS ONLINE SERVICE (SKYPE, WhatsApp, Wechat, Trademanager);
6 . 12 months quality warranty;
7 . Oversea engineers available for problem resolving;
Q: Do you have QC or any safety standards for your machinery?
A: yes, we have established a highly strict quality control department to guanrantee good quality.
Q: What's the MOQ?
A: 1 set (Only some low cost machines will be more than 1 set )
Q: What about the payment terms?
A: (1) T/T with 30% advanced payment, and 70% balance payment to be paid before shipment;
(2) Irrevocable LC at sight;
(3) Western Union, MoneyGram, etc.
Q: How about the warranty?
A: Warranty Period is one year after delivery. Even beyond the period, we will supply lifetime service for machine.

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