Yama Seiki MB1512

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MB series
CAPACITY MB-1512
X / Y / Z axes travel 1,500 / 1,200 / 900 mm
( 59.05″ / 47.24″ / 35.43″ )
W-axis travel 500 mm ( 19.68″ )
Distance from spindle nose to table top 575 ~ 1,475 mm
( 22.63″ ~ 58.07″ )
WORKING TABLE
Table size ( X x Y ) 1,250 x 1,150 mm
( 49.21″ x 45.27″ )
Table load capacity 4,000 kg ( 8,800 lb )
Minimum table index 0.001°
B-axis speed 5 rpm
SPINDLE
Boring spindle size Ø 110 mm ( Ø 4.33″ )
Spindle motor ( cont. / 30 min. ) 22 / 26 kW ( 30 / 35 HP )
Spindle speed 3,200 rpm
Spindle torque 1,800 Nm ( 1,330 ft-lb )
Spindle taper BBT50
FEEDRATE
X / Y / Z axes rapid feedrate 15 / 15 / 15 m / min.
( 590 / 590 / 590 IPM )
W-axis rapid feedrate 6 m / min. ( 230 IPM )
Cutting feedrate 6 m / min. ( 230 IPM )
TOOL MAGAZINE
Tool magazine capacity 40 T
Max. tool diameter / adj. pocket empty Ø 125 mm / Ø 250 mm
( Ø 4.92″ / Ø 9.84″ )
Max. tool length ( from gauge line ) 400 mm ( 15.74″ )
Max. tool weight 25 kg ( 55 lb )
ACCURACY
Positioning accuracy ( JIS B 6338 ) ± 0.01 mm / Full Travel
( ± 0.00039″ / Full Travel )
Positioning accuracy ( VDI 3441 ) P ≤ 0.02 mm / Full Travel
( P ≤ 0.00078″ / Full Travel )
Repeatability ( JIS B 6338 ) ± 0.03 mm
( ± 0.00118″ )
Repeatability ( VDI 3441 ) P ≤ 0.008 mm
( P ≤ 0.00031″ )
GENERAL
Power requirement 60 kVA
Pneumatic pressure requirement ( min. ) 5 kg / cm² ( 70 PSI )
Hydraulic unit tank capacity [ pump ] 200 liter ( 50 gal ) [ 3 HP ]
Lubrication oil tank capacity 8 liter ( 2 gal )
Coolant tank capacity [ pump ] 330 liter ( 85 gal ) [ 1 HP ]
Machine weight 30,000 kg ( 6,620 lb )

Specifications are subject to change without notice.

High Precision Horizontal Boring Mills

Representing YAMA SEIKI’s “ The Ultimate Machining Power ” of mature manufacturing abilities and advanced technology skills, the all new MB series combines a high torque spindle, strong-solid structure, and a high precision rotary working table along with our professional assembly and hand scraping skills, to provide you with a machine of maximum performance and productivity without taking much floor space. The optional APC system can efficiently minimize man power and reduce non-operational time which increases more productivity.

With years of innovation and manufacturing experience on horizontal boring mills, we combine them with the latest Japanese key components to make the MB series provide maximum mechanical performance and strengthen our reputation as a professional boring mills manufacturer.

High rigidity structure combined with a high precision spindle provides excellent machining accuracy and heavy-duty cutting ability.
The rotary working table is supported with hydrostatic bearings. Working table max. load 4,000 kg ( 8,800 lb ). B-axis positioning accuracy 0.001°.
One-piece bed structure plus 4 compound guideways are combined with the X / Y axes high rigidity box way to meet with various needs for heavy-duty cutting and precision machining.
The open-space operating area can shorten the distance between the operator and the working area to increase both safety and convenience. Additionally, this compact size machine does not take too much space in the factory.

 

 

 

High Rigidity Structure

The Finite Element Method ( FEM ) provides optimum machine designing and light-weighted structure advantages while ensuring high machine rigidity.
Built to withstand years and years of rigorous high production machining, the heavily ribbed, one-piece thermally balanced bed and casting components are of ” MEEHANITE ” casting.
The 3 axes feed system is adopted with full travel support and uses high precision linear encoders to ensure optimum performance and accuracy.

The X / Y axes are adopted with high rigidity box way which is pre-heated and pre-grinded, suitable for heavy-duty cutting conditions.The Z-axis is adopted with 4 compound guideways to effectively prevent the working table from overhanging while providing strong and firm support.

spindle mb

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