CNC Internal Grinding Machine for Bore Grinding of Long Shaft

Series: i 100

Elitech i 100 CNC Internal Grinding Machine for shaft is a high-precision CNC Internal Grinding Machine specifically engineered for front bore grinding in long shaft components. Featuring a manually movable workhead up to 300mm [400mm optional], it accommodates long shafts securely while performing precision bore grinding up to 100mm depth from the shaft face. Equipped with Siemens 808D Advanced or Fanuc 0i-TF Plus CNC controller, it ensures accurate, repeatable bore grinding with minimal setup time.

The X-axis is mounted on roller-type linear guideways for low-friction, high-speed response, while the Z-axis moves on Turcite-B coated V-flat guideways for smooth, wear-resistant motion. A precision taper grinding provision with manual screw mechanism enables taper angle setting up to 15° — making the i 100 ideal for transmission shafts, automotive driveshafts and stepped bore components.

Why Choose Elitech i 100 CNC Internal Grinding Machine for Long Shaft?

Movable Workhead up to 300mm [400mm] — Securely clamps long shaft components for precise front bore grinding
X-Axis Roller Linear Guideway — High rigidity, minimal friction and excellent positioning accuracy for infeed movement
Z-Axis Turcite-B V-Flat Guideways — Smooth movement with wear resistance and vibration damping under load
Precision Taper Grinding — Manual screw mechanism enables taper angle setting up to 15° for conical bore applications
100mm Deep Bore Capability — Grinds up to 100mm from shaft face for internal and stepped bore grinding
Siemens 808D Adv. / Fanuc 0i-TF Plus — Advanced CNC for customizable, user-friendly programming and automation
A2-4 Spindle Nose — Super-precision angular contact paired bearings for high rigidity and accurate rotation
Made in India — Manufactured in Surendranagar, Gujarat by Elitech Machine Tools since 2002

Industries Served

The i 100 CNC internal grinding machine for shaft serves precision bore grinding needs across:

Automotive Industry — Transmission shafts, driveshafts, gear shafts and front bore grinding of long shaft components
Machine Tool Industry — Spindle bores in long shaft assemblies and precision machine tool components
Hydraulic Industry — Long cylinder bores and hydraulic shaft components
Aerospace Industry — Precision bore grinding of long shaft structural components
General Engineering — Any long shaft component requiring front bore grinding up to 100mm depth

Applications

In the below application images, the grinding zone is highlighted with yellow colour. The Elitech CNC Internal Grinding Machine for Shaft Components is designed for precision internal bore grinding of shaft-type components requiring high concentricity, superior surface finish and accurate bore geometry. Advanced CNC control and programmable grinding cycles ensure consistent results in medium to high production environments.

Transmission Shaft

long shaft bore grinding application highlighted in yellow

Spline Shaft

machine spindle precision grinding application

Machine Spindle Bore Grinding

Industries & Components Served

Transmission Shafts
Motor Shafts
Stepped Shafts
Hydraulic Shafts
Spindle Components
Automotive Shaft Components
Spline Shafts
Precision Engineering Components
Tooling Components
General Engineering Parts

Specification

Technical Specifications of CNC Internal Grinding Machine

Below are the technical specifications of the machine, outlining its capacity, axis configuration, and structural features for high-precision internal grinding.

Specifications	Unit	i 100
Centre Height Over Table	mm	200
Max. Clamping Length	mm	300 [400]
Max. O.D. Clamp	mm	150
Max. Bore Grinding	mm	100
Weight Carrying Cap. on Chuck	kg	60
Max. Table Speed (Z-axis)	mtr/min	8
Max. Table Stroke (Z-axis)	mm	360
Min. Table Stroke (Z-axis)	mm	0.010
Servo Motor Power (Z-axis)	NM	6 [7]
Max. Table Travel (X-axis)	mm	160
Max. Table Speed	mtr/min	10
Servo Motor Power (X-axis)	NM	6 [7]
Work Spindle Nose	A2	A2-4
Work Spindle Rotation Speed	rpm	50 ~ 500
Max. Taper Angle (Work Head)	deg	15°
Motor Power (Work Head)	kw	0.75
Grinding Spindle Head Bore Dia.	mm	120
Inbuilt Grinding Spindle Size (O.D.×L)	mm	60×250 [80/100/120 × 250]
Max. Grinding Spindle Speed (Std.)	rpm	18000
Motor Power (Grinding Spindle)	kw	2.2 [3.7]
Operating Controller	CNC	Siemens [Fanuc]

Features

Movable workhead — manual travel up to 300mm [400mm optional] for long shaft clamping
X-axis on roller linear guideway — high rigidity and minimal friction for infeed accuracy
Z-axis on Turcite-B V-flat guideways — smooth movement with wear resistance and vibration damping
Precision taper grinding provision — manual screw mechanism for taper angle up to 15°
Deep bore capability — up to 100mm from shaft front face
A2-4 spindle nose with super-precision angular contact paired bearings
Siemens 808D Advanced / Fanuc 0i-TF Plus CNC controller
Graded casting as per IS:210 for vibration-free stability
Fully enclosed powder-coated machine guarding

Optional

WORK HOLDING & SUPPORT
– Movable workhead travel — 400mm (extended)
– Steady Rest — 10 to 100mm for long slender shaft support

GRINDING SPINDLE OPTIONS
– Internal Grinding Spindle Ø60mm — 18000 RPM
– Internal Grinding Spindle Ø80mm
– Internal Grinding Spindle Ø100mm
– High Frequency Motorized Spindle

PRECISION MEASUREMENT
– In-Process Gauging System
– Face Detection Touch Probe
– Linear Glass Scale (Fanuc)

AUTOMATION
– Gantry-Type Auto Loading System

COOLANT AND FILTRATION
– Magnetic Coolant Separator
– Paper Band Filtration Unit

ELECTRICAL
– VFD Grinding Wheel Spindle System
– Servo Voltage Stabilizer

Frequently Asked Questions

What is the Elitech i 100 CNC internal grinding machine used for?

The Elitech i 100 is specifically designed for front bore grinding in long shaft components — grinding internal bores up to 100mm depth from the shaft face. It is ideal for transmission shafts, automotive driveshafts, gear shafts and any long shaft requiring front bore grinding.

What is the maximum clamping length of i 100?

The i 100 features a manually movable workhead with standard clamping length up to 300mm — extendable to 400mm as an option — for accommodating long shaft components securely during bore grinding.

What is the maximum bore grinding depth on i 100?

The Elitech i 100 supports bore grinding up to 100mm depth from the shaft front face — suitable for internal bore and stepped bore grinding operations in transmission shafts and other long shaft components.

Is taper bore grinding possible on i 100?

Yes. The i 100 features a precision taper grinding provision with manual screw and nut mechanism on the workhead slide — enabling taper angle setting up to 15° for conical bore grinding applications.

What CNC controller is used in i 100?

The i 100 is available with Siemens 808D Advanced or Fanuc 0i-TF Plus CNC controllers — both offering user-friendly programming, customizable grinding cycles and reliable automation for precision bore grinding of long shaft components.

What is the difference between i 100 and i GRIND 200?

The i 100 is specifically designed for front bore grinding in long shafts up to 100mm OD and 100mm depth with a movable workhead up to 300mm — ideal for transmission shafts and long shaft components. The i GRIND 200 is a general purpose CNC internal grinding machine for components up to 200mm OD clamping and 80mm grinding length — ideal for bearings, gears and mass production bore grinding.

What guideway system is used on i 100?

The i 100 uses roller-type linear guideways on the X-axis for high rigidity and minimal friction, and Turcite-B coated V-flat guideways on the Z-axis for smooth motion, wear resistance and superior vibration damping under load.

Does Elitech supply i 100 across India?

Yes. Elitech Machine Tools supplies and services the i 100 CNC internal grinding machine across India — Ahmedabad, Pune, Mumbai, Bengaluru, Chennai, Coimbatore, Rajkot, Delhi and all major industrial cities. Contact sales@elitech.in for enquiries and technical support.

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CNC Internal Grinding Machine for Bore Grinding of Long Shaft