Fanuc Series Oitf Plus Programming Manual Here

Technical Write-Up: FANUC Series 0i-TF Plus Programming Manual

1. Overview

The FANUC Series 0i-TF Plus is a highly advanced CNC (Computer Numerical Control) system designed specifically for turning centers (lathes). The Programming Manual associated with this system is the definitive guide for CNC programmers, setup personnel, and maintenance engineers. It documents the G-code architecture, operational logic, and advanced programming features required to maximize the capabilities of the machine tool.

Unlike basic operator guides, the Programming Manual focuses on the creation and modification of part programs, detailing how the CNC interprets code to control axis motion, spindle speed, tool turrets, and peripheral devices. fanuc series oitf plus programming manual

3.2 Program Structure

A typical program:

O1234 (Program number)
N10 G50 S2000 (Max spindle speed clamp)
N20 G96 S200 M03 (Constant surface speed, spindle CW)
N30 G00 X100. Z5. T0101 (Rapid to safe position, select tool 1 offset 1)
N40 G71 U1.5 R1. (Roughing cycle – depth of cut, retract)
N50 G71 P60 Q120 U0.2 W0.05 F0.25 (Profile definition start/end, finishing allowances)
N60 G00 X40. (Profile path)
N70 G01 Z-30. F0.15
N80 X70. Z-50.
N90 Z-70.
N100 G02 X90. Z-80. R10.
N110 G01 Z-90.
N120 X120.
N130 G70 P60 Q120 (Finishing cycle)
N140 G28 U0 W0 (Return to reference)
N150 M30

G71 – Rough Turning Cycle (Type I & II)

This is the workhorse of any turning program. The manual provides a deep dive into the Type I and Type II pattern repeats. G71 – Rough Turning Cycle (Type I &

Type I: For monotonic X and Z profiles.
Type II: For undercuts or non-monotonic profiles (pockets on a lathe).
Pro Tip found in the manual: The difference between Type I and II lies in the first block of the profile definition. The manual details exactly how the control reads the U and W values.

3. Coordinate Systems & Units

The 0i-TF Plus controls a 2-axis Lathe (typically). Type I: For monotonic X and Z profiles

X-Axis: Diameter value (default). A move of X50. cuts a diameter of 50mm.
Z-Axis: Longitudinal axis (length).
Absolute vs. Incremental:
- Absolute (G90): Moves to a specific coordinate relative to the origin.
- Incremental (G91 or U/W): Moves relative to the current position.
  - U = Incremental X
  - W = Incremental Z

Typical applications

Single- and multi-spindle turning centers
Mill-turn machines (with live tooling)
High-productivity machining: threading, grooving, form turning, sub-spindle transfers
Complex turning cycles with canned cycles and subprogram use

2. Program Structure

A CNC program is a sequence of blocks. Each block contains commands executed in order.

7. Comparison with Previous Models (Oi-TD vs. Oi-TF Plus)

| Feature | Oi-TD | Oi-TF Plus | |---------|-------|-------------| | Max program memory (meters) | 320m | 2000m (2GB flash) | | Macro B nesting | 3 levels | 9 levels | | MANUAL GUIDE i | Optional, basic | Standard, enhanced graphics | | High-speed mode | G05 (limited) | G08 + AI contour | | Ethernet / data transfer | Optional | Embedded 100BASE-TX |