Gr2 Titanium Machining Parts

Short Introduction

Gr2 titanium machining parts is an unalloyed, medium strength titanium products, it has excellent corrosion resistant, weldability, strength, ductility and formability. Because of radial forging, it has good surface, straightness and roundness.

1.Product details of Gr2 titanium machining parts:

2. Chemical composition of Gr2 titanium machining parts

3.Mechanical properties of Gr2 titanium machining parts

4. Application of Gr2 titanium machining parts:

Aircraft turbine

Engine parts

Aircraft structural parts

Aerospace fasteners

Automated high performance parts

Marine vessel applications

Sports equipment

Ocean engineering

 5.Why choose titanium

Healthy environmental protection of metal

Corrosion resistance, It won’t rust in the deep sea for 100 years

Wide working temperature: -259°C~500°C

High specific strength

Excellent heat transfer performance

6. Machining process of titanium machining parts

Titanium sponge→3 times VAR melting→Forging→Grind surface→Radial forging by SPX-25→Straightening→cutting length→Annealing→Rough Machining→Ultrasonic inspecting→Fine Machining→CNC Machining→Drilling hole→Tapping(If necessary)→Polishing→Inspecting→Packaging→Delivering

7.Titanium alloy machining requirements

1. Machining characteristics of titanium and titanium alloy

a small deformation coefficient: when the deformation coefficient is less than or close to 1, the distance of sliding friction on the front cutting face increases greatly, which accelerates the tool wear.

b. High chip temperature: under the same cutting conditions, the cutting temperature can be more than twice as high as when cutting 45 steel.

c. large cutting force per unit area: easy to cause tool breakage, increase tool wear and affect the accuracy of parts.

d. Severe cold hardening phenomenon: reduce the fatigue strength of parts and increase tool wear.

e. Tool wear: under the condition of high cutting temperature and large cutting force per unit area, the tool is easy to produce adhesive wear.

2 Tool selection

a. Cutting titanium and titanium alloys should be based on reducing the cutting temperature and reducing the bonding. Select a tool material with good red hardness, high bending strength, good thermal conductivity and poor affinity with titanium alloys.

b. It is often suitable to use YG hard tools. The commonly used hard alloy tool materials are: YG8, YG6X, YG6A, 813, 643, YS2T, YD15, etc.

c. Diamond and cubic boron nitride are also available as tools.

3 Requirements for processing equipment

a. Set up a special processing site and determine the special machine tools for processing titanium and titanium alloys.

b. Laying rubber sheet or wooden floor in the work area to avoid scratching the titanium surface.

c. All tools, fixtures, machine tools or other devices in contact with titanium and titanium alloys must be clean.

d. After cleaning the titanium alloy parts, it is necessary to prevent grease or fingerprint contamination, otherwise the salt (sodium chloride) stress corrosion may be caused in the future.

e. The use of lead, copper, tin, cadmium and their alloys is prohibited, and tools and fixtures made of zinc-based alloys are in contact with titanium alloys.

4 Requirements for cutting

a. Due to the small elastic modulus of titanium and titanium alloys, the clamping deformation and stress deformation of the workpiece during processing will be large, which will reduce the machining accuracy of the workpiece. The clamping force of the workpiece installation should not be too large, and auxiliary support can be increased if necessary.

b. The cutting fluid is selected from chloride-free cutting fluids.

c. During cutting, a large amount of cutting fluid should be poured to sufficiently cool the titanium and titanium alloy during processing.

d. During processing, prevent chips from accumulating on the machine

e. Replace the tool immediately after using blunt, or reduce the cutting speed, increase the feed to increase the chip thickness

f. If fire occurs during processing, fire extinguishing equipment such as talcum powder, limestone powder, dry sand should be used to extinguish the fire. Carbon tetrachloride, carbon dioxide fire extinguishers are strictly prohibited and watering is not allowed.

8. Machine equipments

Horizontal machining center

Vertical machining center

CNC lathe

CNC milling machine

Grinding machine

Lathe

9.Photos of Gr2 Titanium Machining Parts

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