Cylindrical Grinding Machine-E250

• After-sales Service: 1 Year
• Warranty: 1 Year
• Type: External Grinding Machine
• Processing Object: Thread
• Abrasives: Grinding Wheel
• Controlling Mode: Artificial
• Model NO.: E250
• Automatic Grade: Manual
• Cylindrical Grinder Type: Plunge Cylindrical Grinder
• Precision: High Precision
• Certification: CE
• Condition: New
• Maximum Rotating Diameter of Table: 250mm
• Maximum Distance Between Two Thimbles: 500mm
• Maximum Grinding Diameter: 250
• Grinding Wheel Size: 405×32-50×127mm
• Transport Package: Woodbox
• Trademark: Hotman
• Origin: China
• Production Capacity: 50

Product Description

1. Product overview:

Item	Product	Model	Quantity	Price composition
	High Precision CNC Cylindrical Grinding Machine (X-axis,Z-axis)	E250		See price list with standard attachment

Introduce

1) Use Germany Siemens 828D CNC system,Grinding special friendly man-machine interface, no programming, processing program automatically generated. 2) Equipped with high precision bearing grinding wheel spindle, precision grinding level ball screw. 3) Double axis servo drive automatic feed, automatic grinding wheel dressing, can meet all kinds of segment difference, circular arc, surface forming dressing, the system automatic compensation. 4)  All sliding surface, contact surface and guide surface are made of manual grinding point shoveling process to ensure the long-term   stability and high precision of the machine. 5) Machine castings are strictly selected FC25 advanced cast iron, aging treatment, to ensure the foundation of machine tools The piece does not deform.

2. Mode of transaction:

Quotation terms	Currency	Terms of exchange	Delivery time
EXW	RMB	See price list for details	Within 15 working days after receiving the advance payment

3. High Precision CNC Cylindrical Grinding Machine Specification & Parameter:

	Number	Project	Unit	Model:	E250
Processing capacity Grinding wheel head	1	Maximum rotating diameter of table	mm	250
	2	Maximum distance between two thimbles	mm(in)	500
	3	Maximum grinding diameter	mm(in)	250
	4	Maximum load between two parietal hearts	Kg(b)	60(Top work)/20(Working head only)
	5	Grinding wheel size (diameter × width × aperture)	mm(in)	405×32~50×127
	6	Grinding wheel speed	rpm	1570
	7	Maximum linear speed of grinding wheel	m/s	35
	8	Grinding wheel dressing	mm(in)	Automatic type
	9	Minimum X-axis feed	mm(in)	0.001
	10	Feed Angle	Deg	90
	11	Feed stroke	mm	250
	12	X axis fast moving speed	mm/min	0-10000
Head frame	13	Spindle speed	rpm	50-500
	14	Spindle form		Simultaneous or centering
	15	Thimble specification		MT-4
Stern frame	16	Automatic telescopic distance (hydraulic type)	mm	40
	17	Thimble specification		MT-4
	18	Working mode		Manual
worktable	19	Z axis fast moving speed	m/min	0-20000
	20	Minimum z-axis feed	mm	0.001
	21	Maximum travel	mm	550
	22	Angle of rotation	Deg	+6/-9
Motor Motor	23	Grinding wheel spindle motor	KW	3.75/5.5
	24	X-axis feed motor (servo)	KW	2.2
	25	Z-axis feed motor (servo)	KW	2.2
	26	Head frame spindle motor	KW	0.75
	27	Cooling pump motor	KW	0.75
	28	Lubricating oil motor	KW	1/4*2
	29	Tailstock oil pump motor (Special)	KW	0.75
Other	30	X/Z axis guide/lead screw lubricating oil		MOBIL#1409 or ISO VG68
	31	Net machine weight	Kg	About 3200
	32	Gross machine weight	Kg	About 3400
	33	Package size (length * width * height)	mm	2800*2000*2000

 
 3. Standard accessories:

A, Grinding wheel remover	1 PCS
B, Grinding wheel balance bar	1 PCS
C, Grinding wheel balancer	1 PCS
D, Tungsten carbide full round thimble, half round thimble	One of each
E, Automatic lubricating oil device for ball screw and guide rail lubrication	2 groups
F, Grinding wheel dressing device	1 group
G, Bed Angle adjustment device	1 group
H, Hand tools and tool boxes (1. Percentage meter, 2. Oil pot, 3. Screwdriver, 4. Cross driver, 5. Plum spanner 6, 6. Hex spanner 10)	1 group
I, Standard grinding wheel and flange	1 group
J, Standard grinding fluid supply	1 group
K, Waterproof sheet metal	1 group
L, Horizontal adjustment screws and pads	1 group
M, LED working lamp	1 group
N, Diamond Cutter pen (single point type)	1 group
O, Electric cabinet refrigeration and air conditioning	1 set
P, Operation manual, parts manual, inspection report	1 set

4.Special accessories:

Product name	Quantity
A, Maposs outside diameter measuring instrument	1 set
B, Maposs end face measuring instrument	1 set
C, Dynamic/static grinding wheel spindle	1 set
D, Full cover sheet metal construction	1 set

5, Installation environment requirments:

1	Power supply  voltage	380V
2	Installed machine ultimate capacity	15KW
3	Grinding fluid filtration method	Magnet filtration
4	Cooling oil pump	No
5	Cooling tank	No
6	Grinding fluid tank	200L

6.High precision CNC cylindrical grinding machine main featute:
1) Ontology:
 The body and components are cast by FC-25 cast iron. After two manual annealing treatment. After natural aging treatment. Components are processed by YASDA, MITSUI, SEIKI, TOSHIBA, ELB and other world-class equipment once clamping processing. Precision size can be up to micron level, to ensure high precision equipment basic components.

2) Automatic lubrication system:
  Machine guide rails and precision ball screws are continuously lubricated by automatic lubrication system to ensure longer service life and accuracy. The cooling system is separated from the body to eliminate vibration and favorable heat dissipation.
3) Automatic system:
 Customized, highly automated grinding system with a wide selection of options, including automatic end measuring device, automatic outside diameter measuring device, hydraulic tailstock device and highly integrated automatic loading and unloading system.
4) Grinding wheel head feed  shaft:
 The grinding feed system is composed of a V and a flat track with precise hand cutting, automatic lubrication system, precision ball screw, high precision and high power servo motor. It has the characteristics of smooth movement, excellent repeated positioning accuracy and long service life of the track.