Product Name: Special Sulfurized Cutting Oil for Deep Hole Boring Machines
I. Quality Inspection Data

Inspection Item Standard Requirement Measured Result Test Method Extreme Pressure Agent Content ≥10% 12.3% SH/T 0762-2005 Four-Ball Machine PB Value (N) ≥931 960 GB/T 3142-2019 Four-Ball Machine PD Value (N) ≥7840 7980 GB/T 12583-2018 Flash Point (Open Cup, ℃) ≥160 185 GB/T 3536-2020 Copper Strip Corrosion (50℃, 3h) Grade 1 Grade 1a GB/T 5096-2017
II. Key Performance Description

Extreme Pressure Characteristics

PD value reaches 7980N, capable of withstanding local pressure >200MPa during deep hole machining

Sulfur-based extreme pressure agents form an FeS chemical film, reducing tool wear rate by 38%

Process Adaptability

Applicable Process Recommended Parameters
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Deep Hole Drilling Feed Rate 0.05-0.15mm/r
Thread Cutting Speed ≤800rpm
Gear Machining Oil Temperature Control 40-60℃
III. Application Validation Cases

Enterprise Deep Hole Machining:
In TC4 titanium alloy component processing (hole diameter Φ***mm, depth-to-diameter ratio 30:1), tool life increased to 2.7 times the original