MAHA BARATHIO ENGINEERING COLLEGE,

CHINASALEM TK.,VILLUPURAM DT.,

Pre pared by:-

l.NARAYANAN,M.E.,ASST. PROFESSOR

Dept. of mechanical Engg

BORING MACHINE

• When internal surfaceof a hollow part isturned, a single pointcutting tool is used forenlarging a hole, theoperation is calledBORING

• The bar on which single point tool is mounted is called BORING BAR

Types of Boring Machines(a) Horizontal Boring Machine ( HBM )

1. Table type HBM

2. Planer type HBM

3. Floor Type HBM

4. Multiple Spindle HBM

(b). Vertical Boring Machine ( VBM )

1. Single Column VBM

2. Double Column VBM

(c)Precision boring machine

(d)Jig boring machine

Table typeHorizontal Boring Machine ( HBM )

Components of a Boring Machine

• Bed

• Floor Plate

• Base

• Table

• Column

• Head Stock

• End Supporting Column

• Cross Rail

Planer type HBM

Floor Type HBM

Multiple Spindle HBM

Double Column VBM

JIG BORING

MACHINE

It is a precision boring machineused for boring accurate holesat proper center-to-centerdistances.

A machine produced in holes ofwithin the range of 0.0025mm.

JIG BORING MACHINE

JIG BORING

MACHINE