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Vertical Grinding

Models
Overview
Designed for internal and external grinding of cylindrical workpieces, B&K Springfield universal grinders incorporate proven engineering technology gained through thousands of applications and more than 40 years of experience. Unlike horizontal grinders, where operators are constantly fighting gravity, Springfield grinders use the weight of the workpiece to help position it on the work table. As a result, parts are more easily and correctly loaded the first time, reducing scrap.

VBG vertical grinding centers are Bourn & Koch's newest design for grinding hardened gear ODs and IDs concentric to the pitch line of a finished gear. Derived from the best features from the legacy line of Springfield grinders, the new VBG grinders have the advantages of precision and reliabilty of the legacy line combined with technologically updated features, such as the new HMI (Human-Machine Interface), which uses a drop down menu style in a standard Windows XP explorer enviroment. No CNC programming knowledge is required.

Whether you are looking to replace your existing Springfield grinder with another familiar Springfield grinder or looking to upgrade to Bourn & Koch's new VBG, our application engineers will help you find the machine to meet your requirements.

Models

1000 VBG

The BK 1000 VBG is a common platform machine that combines the best from the Springfield legacy with modern technologies available today. This machine comes with a standard full enclosure with a stress-relieved steel and polymer construction, precision linear rails, linear scale feedback, Siemens 840D sl with a Bourn & Koch HMI interface that uses a menu style, and converstional data input.

Features
・Direction: Vertical
・Diameter: 1000mm
・Swing: 1100mm
・ZAxis: 700 mm

1500 VBG

The BK 1500 VBG is a common platform machine that combines the best from the Springfield legacy with modern technologies available today. This machine comes with a standard full enclosure with a stress-relieved steel and polymer construction, precision linear rails, linear scale feedback, Siemens 840D sl with a Bourn & Koch HMI interface that uses a menu style, and converstional data input.

Features
・Direction: Vertical
・Diameter: 1500mm
・Swing: 1650mm
・Z Axis: 1400 mm

2500 VBG

The BK 2500 VBG is a common platform machine that combines the best from the Springfield legacy with modern technologies available today. This machine comes with a standard full enclosure with a stress-relieved steel and polymer construction, precision linear rails, linear scale feedback, Siemens 840D sl with a Bourn & Koch HMI interface that uses a menu style, and converstional data input.

Features
・Direction: Vertical
・Diameter: 2125mm
・Swing: 2550mm
・Z Axis: 1400 mm

36 CNC

Vertical grinders are designed to provide exceptional accuracies proven through thousands of applications. The 36 CNC vertical grinder uses the weight of the workpiece to its advantage.

Features
・Direction: Vertical
・Diameter: 914mm
・Swing: 1118mm
・Grinding Stroke: 355 mm

42 CNC

Vertical Grinders are designed to provide exceptional accuracies proven through thousands of applications. The 42 CNC vertical grinder uses the weight of the workpiece to its advantage.

Features
・Direction: Vertical
・Diameter: 1067mm
・Swing: 1270mm
・Grinding Stroke: 533 mm

48 CNC

48 CNC Vertical Grinding Machines are designed to provide exceptional accuracies proven through thousands of applications. The 48 CNC Vertical Grinder uses the weight of the workpiece to its advantage.

Features
・Direction: Vertical
・Diameter: 508mm
・Swing: 1829mm
・Grinding Stroke: 609mm

62 CNC

62 CNC Vertical Grinding Machines are designed to provide exceptional accuracies proven through thousands of applications. The 62 CNC Vertical Grinder uses the weight of the workpiece to its advantage.

Features
・Direction: Vertical
・Diameter: 1575mm
・Swing: 1723mm
・Grinding Stroke: 914mm

Specs

Technical Data Units 1000 VBG 1500 VBG 2500 VBG
Maximum workspindle swing mm 1100 1650 2552
Work table diameter mm 1000 1500 2020
Work spindle speed, infinitely variable rpm 1-100 1-80 1-80
A2 spindle nose, ASA standard mm 203.2 381 508
Accuracy: runout & camming at spindle nose mm 0.0025 0.005 0.0075
Nominal hole depth that can be ground mm 450 850 850
Grinding head stroke mm 700 900 900
Vertical "Z" Axis slide travel mm 800 1400 1400
"B" Axis Swivel setting of grinding head deg ±450 ±450 ±450
X and Z slide traverse rate mm/min 0-7500 0-7500 0-7500
X and Z slide feed rates mm/min 0-1250 0-1250 0-1250
Grinding Wheel Spindle Motor kW 7.5 15 15
Maximum weight for work spindle kg 2000 4550 7000
Weight (Approximate Net) kg 16364 20000 36000
Technical Data Units 36 CNC 42 CNC 48 CNC 62 CNC
Maximum workspindle swing mm 1118 1270 1524 1727
Workspindle speed, infinitely variable rpm 6-120 6-120 5-100 5-100
Spindle nose ASA 8 8 15 20
Accuracy: runout & camming at spindle nose mm 0.00254 0.00254 0.00762 0.00762
Nominal hole depth that can be ground mm 457 457 622 622
Grinding head stroke mm 711 711 914 914
Clearance over work table, std mm 508 305-914 305-1524 305-1524
Swivel setting of grinding head deg ±450 ±450 ±450 ±450
X and Z slide traverse rate mm/min 0-7620 0-7620 0-7620 0-7620
X and Z slide feed rates mm/min 0-1270 0-1270 0-1270 0-1270
Grinding Wheel Spindle Motor kW 7.5 7.5 15 15
Weight (Approximate Net) kg 7938 15422 20048 22727
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