A kind of production technology of pentaprism
A production process, pentaprism technology, applied to prisms, manufacturing tools, glass molding, etc., can solve problems such as improper control of softening temperature, complicated processing technology, and non-compliance of pentaprisms, so as to shorten processing time and save labor costs Effect
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Embodiment 1
[0025] A kind of production technique of pentaprism, comprises the following steps:
[0026] (1) Cut the raw material into small pieces of glass blanks by cutting machine;
[0027] (2) Grinding the corners of the glass blank;
[0028] (3) Coating the surface of the glass blank with powder, the powder being boron nitride;
[0029] (4) Send the powder-coated glass blank into the softening furnace for softening;
[0030] (5) Pressing the softened glass blank in the pressing mold to form the initial product;
[0031] (6) Anneal the initial product, and the annealing temperature is 15°C lower than the softening point of the glass;
[0032] Among them, the temperature of the softening furnace is divided into six sections, and the specific temperatures from the entrance to the exit are: 700°C, 780°C, 780°C, 780°C, 820°C, and 920°C.
[0033] In addition, after the annealing is completed, inspection is required to eliminate unqualified products.
Embodiment 2
[0035] A kind of production technique of pentaprism, comprises the following steps:
[0036] (1) Cut the raw material into small pieces of glass blanks by cutting machine;
[0037] (2) Grinding the corners of the glass blank;
[0038] (3) Coating the surface of the glass blank with powder, the powder being boron nitride;
[0039] (4) Send the powder-coated glass blank into the softening furnace for softening;
[0040] (5) Pressing the softened glass blank in the pressing mold to form the initial product;
[0041] (6) Anneal the initial product, and the annealing temperature is 15°C lower than the softening point of the glass;
[0042] Among them, the temperature of the softening furnace is divided into six sections, and the specific temperatures from the entrance to the exit are: 705°C, 785°C, 785°C, 785°C, 825°C, and 925°C.
[0043] In addition, after the annealing is completed, inspection is required to eliminate unqualified products.
Embodiment 3
[0045] A kind of production technique of pentaprism, comprises the following steps:
[0046] (1) Cut the raw material into small pieces of glass blanks by cutting machine;
[0047] (2) Grinding the corners of the glass blank;
[0048] (3) Coating the surface of the glass blank with powder, the powder being boron nitride;
[0049] (4) Send the powder-coated glass blank into the softening furnace for softening;
[0050] (5) Pressing the softened glass blank in the pressing mold to form the initial product;
[0051] (6) Anneal the initial product, and the annealing temperature is 15°C lower than the softening point of the glass;
[0052] Among them, the temperature of the softening furnace is divided into six sections, and the specific temperatures from the entrance to the exit are: 695°C, 775°C, 775°C, 775°C, 815°C, and 915°C.
[0053] In addition, after the annealing is completed, inspection is required to eliminate unqualified products.
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