Boring and turning machines

Boring and turning machines of LEN 1250-2000 type

Scope of application:

Machines of this type are suitable for machining parts for all industrial applications. Cylindrical surface turning /boring, taper turning, facing, channeling, cutting. Both roughing and final operation are possible

Features:

Table is equipped with high-accuracy thrust-ball bearings for roller guides
In spindle radial fixtures two rows of cylindrical roller bearings are used, which is improving the rotating accuracy and table load capacity
Vertical support is equipped with a five-angle turret head, 4-position side head, both supports are hydraulically balanced
Vertical support has a sleeve bearing of a drive screw for horizontal and vertical shift drive
Delivery of additional equipment for side head, digital control device and tools for taper turning can be made upon request
Main electronic components made by Siemens

Operation parameters	Type LEN2000	Type LEN1600	Type LEN1250
Max. work diameter	2000 mm	1600 mm	1250 mm
Table diameter	1800 mm	1400 mm	1010 mm
Max. workpiece height	1250 mm / 1600 mm	1000 mm / 1400 mm	1000 mm / 1400 mm
Max. workpiece weight	8/12 t	5/8 t	5 t
Max. cross beam-head cutting force	25 kN		20 kN
Max. side-head cutting force	20 kN		20 kN
Max. table tongue	32 kN-m	25 kN-m	17.5 kN-m
Range of table rotation speed (16 steps)	2.5∼125 rpm	5∼160 rpm	6.3∼200 rpm
Cross beam head rotation angle	±30°
Feeding speed range (12 steps)	0.8–86 mm/min
Cross beam-head vertical travel	800 mm		650 mm
Side head horizontal travel	630 mm	500 mm
Side head vertical travel	1180 mm	980 mm	970 mm
Accelerated toolhead travel	1800 mm/min
Tool holder height (section)	40 mm
Main engine power	AC:37 kW	AC:30 kW	AC:22 kW
Dimensions (L x W x H)	3210×4050×4200 mm	2830×2870×3870 mm	2360×2470×3480 mm
Machine weight (approx.)	17.5/ 17.8 t	13.8/ 14.1 t	8.3/ 8.9 t

Boring and turning machines of LEN 3000-5000 type

Scope of application: roughing and final part processing (turning of cylindrical surfaces, boring of internal openings, turning of internal and external cones, endface turning, channeling, threading, bowing).

Processed materials: iron and iron-based alloys, non-ferrous metals, and several types of non-metallic materials in combination with hard alloys and porcelain and ceramic ware.

Features:

Feeding is being performed from AC servomotor
Universal type of a control system has a construction allowing reinstallation to CNC
Thermal-stable and symmetrical table construction
Table spindle is installed on precise cylindrical roller bearings with adjustable radial clearance. Table is characterized by high accuracy of rotation, greater loading capacity and by a minimal thermal deformation due to constant lubrication of hydrostatic guideways and thermoregulating oil supply device, installed in an axial direction
Table speed is being controlled with the help of a main drive, which in its turn is being activated (2-stage speed switching) by the AC motor (16-stage speed switching). DC motor can also be delivered upon request
Horizontal guide ways of a cross-beam head — hydrostatic relieving guideways. Guideways of the cross-beam head vertical travel — sliding guideways
Digital readout unit and grinding wheel head electrical spindle are being delivered upon request. (*in text — electr. spindle grinding wheel head)

Technical parameters

Operation parameters	Type LEN3150	Type LEN3500	Type LEN4000	Type LEN5000
Max. work diameter	3150 mm	3500 mm	4000 mm	5000 mm
Table diameter	2830 mm	2830 / 3150 mm	3150 / 3600 mm	4000 / 4500 mm
Max. workpiece height	2000/2500 mm	2000∼3150 mm		2000∼4000 mm
Max. workpiece weight	12 / 20 / 32 t			32 / 40 / 50 t
Head horizontal travel	-20∼1840 mm	-20∼2015 mm	-20∼2265 mm	-20∼2765 mm
Max. right head cutting force	35 / 40 kN		35 / 40/ 50 kN
Max. left head cutting force	28 / 35 kN
Left/right head rotation angle	220 / 240 м² 30° 280 м -15° ∼+30°
Max. table tongue	80 kN·m		80 / 100 kN·m	100 / 125 kN·m
Range of table rotation speed (16 steps)	1.6∼50 / 0.63 — 63 rpm
Accelerated head travel	4000 mm/min
Feed motor running torque	48 N·m
Main engine power	AC:55 kW / DC: 75 kW
Head size	220 / 240/ 280 mm
Vertical travel of a (cross-beam) head	1250/ 1400/ 1600/ 2000 mm
Table guideways	hydrostatics / sliding

Boring and turning machines with CNC

Boring and turning machines of SEN 1000-1800 type

Scope of application

Roughing and final part processing: turning of cylindrical surfaces, boring of internal openings, turning of internal and external cones, endface turning, channeling, threading, bowing. Processed materials: iron and iron-based alloys, non-ferrous metals, and several types of non-metallic materials in combination with hard alloys and porcelain and ceramic ware.

Features:

Main drive is being controlled by the AC servomotor by two switching steps (gear box ZF, Germany)
Gear box is equipped with a special grounding for providing highly efficient transmission, noise reduction and smooth speed in a high-speed mode
Table has a Thermal-stable and symmetrical construction. Spindle is installed on precise cylindrical roller bearings with adjustable radial clearance. Table is characterized by high accuracy of rotation, greater loading capacity and by a minimal deformation due to high-precision thrust-ball bearing, installed in an axial direction in relation to roller guideways, and due to oil temperature cooling device
Linear dual-purpose direction of roller guideways ensures highly efficient transmission and high accuracy of heads and their feeds.
CNC system: SIEMENS or FANUC
Other control systems can be offered upon the Customer’s request
This series of machines is being divided into high-accuracy type, standard type and heavy type
The following additional equipment can be delivered upon the Customer’s request: buffer unit, integrated tool regulator, tools for boring and milling, table and feed indexer, cooling device (with grounding), left head, control system, etc.
Chip remover and half-closed guideways can also be delivered upon request

Technical parameters

Operation parameters		Type SEN1000	Type SEN1250	Type SEN2000	Type SEN2500
Table diameter		900 mm	1000 mm	1600 mm	1800 mm
Max. work diameter		1000 mm	1250 mm	2000 mm	2500 mm
Max. workpiece height		800/1000 mm	1000/1250 mm	1250/1600 mm	1600/2000 mm
Max. workpiece weight		2 t	5 t	12 t	16 t
Table speed steps		Mechanical, adjustable
Range of table rotation speed		4∼500 rpm	3.15∼400 rpm	1.25∼160 rpm	1∼100 rpm
Max. tool head cutting force		16 kN		32 kN	40 kN
Max. table tongue		6.3 kN ·m	8 kN·m	25 kN ·m	40 kN.m
1 pair of a head horizontal guideways		Rolling		Compound rolling
Vertical turret head	1 pair of Т-shaped guideways	Rolling
	Horizontal travel of Т-shaped guideways	-20∼720 mm	-20∼850 mm	-20∼1250 mm	-20∼1470 mm
	Vertical travel of Т-shaped guideways	650/800 mm	800/1000 mm	800/1000 mm	1250/1400 mm
	Turret head original position	4/8		4/6	4/6
	1 pair of square slideways	sliding / compound rolling
	Horizontal travel of square slideways	550 mm	-20∼780 mm	-20∼1250 mm	-20∼1470 mm
	Vertical travel of square slideways	650/800 mm	1000/1250 mm	1400/1600 mm	1400/1600 mm
	4-position turret head	—	12
	Accelerated travel	12 m/min		6 m/min
CNC system		SIEMENS/FANUC
Main power		S1:28 kW S2:38 kW	AC 28 kW	DC 55 kW
Cross-beam travel		500 mm	700/1000 mm	1000/1200 mm	1250/1500 mm
Cross-beam positioning		5	7/10	5/6
Cross-beam pitch		100 mm	100 mm	200 mm	250 mm
Total power		50 kW	51 kW	95 kW
Total weight(approx.)		13 t	17/18 t	32/33 t	35/37 t

ТBoring and turning machines of SENQ type

Scope of application: Roughing and final part processing

turning of cylindrical surfaces
boring of internal openings
turning of internal and external cones
channeling
threading
bowing

Processed materials:

iron and iron-based alloys
non-ferrous metals
several types of non-metallic materials in combination with hard alloys and porcelain and ceramic ware

Features:

Table speed is being controlled with the help of a main drive, which in its turn is being activated (2-stage speed switching) by the AC motor (16-stage speed switching)
Table has a Thermal-stable and symmetrical construction. Spindle is installed on precise cylindrical roller bearings with adjustable radial clearance. Table is characterized by high accuracy of rotation, greater loading capacity and by a minimal deformation due to constant lubrication of hydrostatic guideways and thermoregulating oil supply device, installed in an axial direction
AC servomotor (immediately connected with a ball screw), which controls the ball screw with the help of gear set, being integrated into the feed box and serving for regulating accelerated head travel
These guideways can be used as horizontal guideways of a cross-beam head: linear roller guideway of a double-purpose direction, hydrostatic guideway, roller and sliding guideway and a slideway.
CNC system: SIEMENS or FANUC
Other control systems can be offered upon the Customer’s request
The following additional equipment can be delivered upon the Customer’s request: buffer unit, integrated tool regulator, tools for boring and milling, table and feed indexer, cooling device (with grounding), left head, control system, etc.

Technical parameters

Operation parameters	Type SENQ 3150	Type SENQ 3500	Type SENQ 4000	Type SENQ 5000
Max. work diameter	3150 mm	3500 mm	4000 mm	5000 mm
Table diameter	2500/ 2830 mm	2830/ 3150 mm	3150/ 3600 mm	4000/ 4500 mm
Max. workpiece height	2000∼2500 mm	2000∼3150 mm
Max. workpiece weight	32 t		32∼40 t	32∼63 t
Head horizontal travel	-20∼1840 mm	-20∼2015 mm	-20∼2265 mm	-20∼2765 mm
Max. right head cutting force	35/ 40 kN		35/ 40/ 50 kN	40/ 50 kN
Max. left head cutting force	28/ 35 kN			35 kN
Max. table tongue	80 kN ·m		80 / 100 kN ·m
Range of table rotation speed (16 steps)	1.6∼50 / 0.63 — 63 rpm
Accelerated head travel	4000/ 6000/ 8000 mm/min
Feed motor running torque	42 kN·m
Main engine power	AC:55 kW / DC:75 kW
Head size	220∼240 mm		220∼280 mm²	240∼280 mm²
Vertical travel of a (cross-beam) head	1250 / 1400 / 1600 mm		1250 / 1400 / 1600 / 2000 mm
1 pair of table guideways	hydrostatics/ sliding
CNC system	Siemens

Vertical double-housing boring and turning machines with CNC

Boring and turning machines of VWEN type

Scope of application: Roughing and final part processing:

turning of cylindrical surfaces
boring of internal openings
endface turning
channeling
threading
bowing

Processed materials:

iron and iron-based alloys
non-ferrous metals
several types of non-metallic materials in combination with hard alloys and porcelain and ceramic ware

Construction peculiarities:

This series of machines is being subdivided into universal type and CNC type, and machines with CNC are subdivided into standard and heavy ones
Table speed is being controlled with the help of a main drive, which in its turn is being activated by a DC motor with the help of 2-stage vertical axial gear shifting
Spindle is installed on precise cylindrical roller bearings with adjustable radial clearance. Table is characterized by high accuracy of rotation, greater loading capacity and by a minimal deformation due to constant lubrication of hydrostatic guideways and thermoregulating oil supply device installed in an axial direction
AC servomotor (immediately connected with a ball screw), which controls the ball screw with the help of gear set, being integrated into the feed box and serving for regulating accelerated head travel
Cross-beam head of machines with CNC is constantly moving along hydrostatic guideways in a horizontal direction, and vertical slide bars move along roller and sliding guideways of the tool rest
Digital readout unit and grinding wheel head electrical spindle can be delivered upon request
Left and right legs are fixed on the foundation, but separately from the table not being connected with it. Such a construction type excluded mutual influence of spindle transmission and deformation from feeds and temperature which improves the machine accuracy and simplifies accuracy adjustment

Technical parameters:

Operation parameters	Type VWEN 6300		Type VWEN 8000		Type VWEN 10000
Table diameter	5700∼6000 mm		5700∼7100 mm		7100∼7500 mm
Max. work diameter	6300 mm		8000 mm		10000 mm
Max. workpiece height	3150∼4500 mm		4000∼5000 mm		4000∼5000 mm
Max. workpiece weight	50∼150 t		100∼250 t		100∼320 t
Main engine power	DC 90/110 kW		DC 90/110/125 kW		DC 132 kW
Max. table tongue	150 kN·m	500 kN·m	460 kN·m	630 kN·m	640 kN·m
Table speed	0.32 ∼ 32 rpm		0.16 ∼ 16 rpm
Head travel	2760 mm
Head size	280 mm	400 mm	320 mm	400 mm	320 mm	400 mm
Horizontal head travel	-50∼3400 mm		-20∼4400 mm		-20∼5400 mm
Max. right head cutting force	125 kN				100 kN
Max. left head cutting force	100 kN				80 kN
Accelerated head travel	4000 mm/min
1 pair of table guideways	hydrostatics
Head turn	280				-15°∼+30°
	320				-15°∼+30°
	360				±15°