Products Processing
Each Step of the Processing Range and Accuracy
【AddTime：2016-02-22 10:15:14】【From：】【Author：cddaxinen】【Views：】
In each step on the basis of existing processing equipment, to achieve the following processing range and accuracy:
1、 Milling
| Diameter range (mm) | Edge thickness difference min(mm) | |
| Φ3-Φ175 | Φ3~Φ60 | 0.01-0.03 |
| ＞Φ60 | 0.02-0.05 | |
| Special products | 0.01-0.02 | |
2、 High-speed polishing
| Diameter range (mm) | Φ4~Φ130 |
| Part abrasiveness | 60-343 |
| Part radius (mm) | -∞ ~ -4, 4 ~ +∞ |
| Flat surface accuracy | N=λ/8 △N=0.1 |
| Spherical surface accuracy | N=1 △N=0.2 |
| Surface flaws | 10×0.025 |
3、 Low-speed polishing
| / | Diameter range (mm) | Surface accuracy | Surface flaws |
| Spherical | Φ5~Φ240 | λ/10 | 20-10 |
| Flat | Φ20~Φ350 | λ/17 | 20-10 |
4、 Edging
| Equipment | Centering machinery |
| Diameter range (mm) | Φ5~Φ125 |
| Centering coefficient zmin | 0.036 |
| Decentration Cmin | 18’’ |
5、 Coating
| Kind of plating | Machining band | Coating parameters （R:Reflectivity，T: Transmittance） |
|
| Antireflection coating | A single point of antireflection coatings | 300nm~1200nm Either single band in a band antireflection |
Rabs＜0.2%, 0~45deg |
| Broadband antireflection green film | 400nm~700nm | Rave＜0.5%, 0deg | |
| High permeability film | 400nm~700nm | Rabs＜0.5%, 0deg | |
| 420nm~680nm | Rabs＜0.3%, 0deg | ||
| Ultra broadband antireflection coatings | 400nm~1000nm | Rave＜1%, 0deg | |
| 500 nm~900nm | Rave＜0.5%, 0deg | ||
| Waterproof film | 400nm~1100nm | Waterproof angle≥100° | |
| Reflective film | Aluminum reflective film | 400nm~1100nm | Rave＞85% |
| All dielectric reflection film | 400nm~100nm within, bandwidth≤300nm |
Rabs＞99.5%, 0~45deg | |
| Guangmo | Energy Guangmo | 400nm~1000nm | Neutral spectroscopic R/T=1/1，and other spectroscopic ratio，0~45deg |
| Color films | IR cut filter film | 400nm~1000nm | 400nm~610nm Tabs＞90% 630nm~1000nm Tabs＜1% |
| Long, short pass film | 400nm~1100nm | Through Tabs＞90%, cutoff Tabs＜1% |
|
| Bandpass film | 400nm~1100nm within, pass bandwidth≥50nm |
Through Tabs＞90%, cutoff Tabs＜1% |
|
| Dichroic film | 400nm~1000nm | Blue/green/red, through Tabs＞90%, cutoff Tabs＜1% | |
Figure 2 Guangmo
