Dhruva HE Series

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Dhruva HE Series

HE 3050 | HE 3070 | HE 4050 | HE 4070

“Dhruva HE perfectly aligns with your requirements, offering the right combination of precision with quality, productivity, performance with reliability, and flexibility. Dhruva machines are flexible to suit diverse customer requirements.”

Dhruva HE perfectly aligns with your requirements, offering the right combination of precision, productivity, reliability, flexibility & compactness.

LM guide ways for all axes
Ball – screws for all axes
Centralized oil lubrication system
Absolute encoder feedback for all axes
Air blast for spindle taper cleaning
Electronic counter-balance for vertical axis
Tool clamping through disc-springs and lever
Coolant tank
Feedback through the absolute encoder
Spindle taper air blow
Rigid tapping
Full machine guard
Leveling pads
Maintenance tool kit
8000 rpm spindle speed
3-tier lamp
Coolant gun
Telescopic covers for X, Y Axis and Single Sheet Cover for Z Axis.
Fanuc 0iMF+

Drilling & Milling Made Easy
High speed positioning
Faster spindle orientation
Faster fixed cycle
Various table options: Fixed table, Rotary table, Tilting rotary table

Increased day light area
Provision for 4th and 5th axes
Chip conveyor and drum filtration
High pressure coolant through spindle (16 bar/40 bar) with suitable filtration
Oil skimmer
Automatic front door
Tool breakage sensor
Interfacing for robot loading
Voltage stabilizer
Air gun
AC for electrical cabinet
Collision detection sensor
iToolCaptain, BFW’s High Precision Tool Monitoring System
Spindle speeds up to 24,000rpm

Watch Dhruva HE Series Live In Action!

Specifications

TRAVERSE

Dhruva HE	Unit	3050	3070	4050	4070
Long/ Trans/ Ver – X/ Y/ Z	mm	500/ 400/ 350	700/ 400/ 350	500/ 400/ 450	700/ 400/ 450
Spindle nose to table top – min./ max.	mm	300/ 650	300/ 650	300/ 750	300/ 750
Spindle center to column front	mm	400	400	400	400
Table height from floor	mm	960	960	960	960
Rapid traverse X/ Y/ Z	m/min	60/ 60/ 48	60/ 60/ 48	60/ 60/ 48	60/ 60/ 48
Feed rate	m/min	40	40	40	40

SPINDLE & AXIS

Dhruva HE	Unit	3050	3070	4050	4070
Power, cont./ 30 min/ S6 – Siemens	kW	7/ 8.4	7/ 8.4	7/ 10.5	7/ 10.5
Power, cont./ 30 min/ instant – Mitsubishi	kW	5.5/ 7.5	5.5/ 7.5	11/15/18.5	11/15/18.5
Power, cont./ 30 min/ S6 Fanuc	kW	3.7/ 5.5	3.7/ 5.5	7.5/11/15	7.5/11/15
Torque, cont./ 30 min./ S6 – Siemens	Nm	33/ 40	33/ 40	33/ 50	33/ 50
Torque, cont./ S3 25%/S3 15% – Mitsubishi	Nm	26/ 36	26/ 36	52.5/70/95.5	52.5/70/95.5
Torque, cont./ 30 min./ S6 – Fanuc	Nm	23.5/ 35	23.5/ 35	47.7/70/95.5	47.7/70/95.5
Taper	type	BBT 30 (HSK A 50)	BBT 30 (HSK A 50)	BT40 (HSK A 63)	BT40 (HSK A 63)
Speed	rpm	80-8000 (120-12000, 20000, 24000)	80-8000 (120-12000, 20000, 24000)	80-8000(100-10000)	80-8000(100-10000)

TABLE

Dhruva HE	Unit	3050	3070	4050	4070
Size	mm	650 x 400	850 x 410	650 x 400	850 x 410
T-slot (no. x size x pitch)	mm	3 x 14 x 125	3 x 14 x 125	3 x 14 x 125	3 x 14 x 125
Maximum safe load on table	kg	300	300	300	300

Automatic Tool Changer

Automatic Tool Changer	UNIT	DHRUVA HE 3050	DHRUVA HE 3070	DHRUVA HE 4050	DHRUVA HE 4070
Tool changing system		Direct pick-up		Twin arm(servo-driven arm)
Tool storage capacity	No.	21		24
Pull stud		MAS		MAS
Max tool with adjacent pocket empty	mm	80(100)		65/125
Max tool weight	kg	3		6
Tool change time(T-T)	s	1.4		1.9
Tool change time(C-C)	s	1.7		2.7

Accuracy As Per ISO 230-2

Accuracy As Per ISO 230-2	UNIT	DHRUVA HE 3050	DHRUVA HE 3070	DHRUVA HE 4050	DHRUVA HE 4070
Positioning A	mm	0.012
Repeatability R	mm	0.010

Machine Installation Data

Machine Installation Data	UNIT	DHRUVA HE 3050	DHRUVA HE 3070	DHRUVA HE 4050	DHRUVA HE 4070
Basic machine weight	kg	2500	2700	2600	2800
Floor Space	mm * mm	~ 1650 * 2950	~2050 * 2950	~1650 * 2950	~2050 * 2950
Total connected load	kVA	13		16
Compresses Air	bar	6
Power Supply		415 V AC, 50 Hz, 3 Phase