NewsAnalysis: QUALITY CONTROL  
Equipment Manufacturers Weigh  
in on Quality Control Best Practices  
Photo: Courtesy of Casso-Solar Technologies  
Douglas Canfield, president of Casso-Solar, suggests inspecting the laminating  
line prior to starting the manufacturing process.  
hen it comes to ensuring ricators should have a quality washer. don’t want to lose it for that reason.”The  
quality control, how often  
should glass fabricators in- that, when it comes to laminated glass, time to inspect the product. He advises  
spect machinery and equipment in the it’s also best to touch base with special- using the lighting in the lay-up room to  
laminating and tempering process,and ists.“Interlayer suppliers have extensive ensure no dirt is on the glass before it  
what steps need to be taken to do so?  
Billco sales engineer Bob Lang warns “reason”he’s referring to is not taking the  
W
quality control training programs relat- goes into the laminating process.  
Canfield also says fabricators should  
According to Jay Campbell,glass solu- ing to best practices for laminating glass,”  
tions specialist at Billco Manufacturing he explains.“The technical department monitor the process continuously for  
in Zelienople, Pa., maintaining a quality of the interlayer supplier should always another reason: shifting. “… When the  
manufacturing process requires ma- be consulted prior to the startup of a glass comes out of a press line, or if it’s  
chinery inspections prior to production. laminating production operation.”  
going through multiple lines,if they shift,  
“Cleanliness is a significant con- These experts say ensuring quality they can potentially cause a defect,” he  
tributor to a higher-quality product. control isn’t as simple as just main- says.“For high-end value decorative lam-  
Well-maintained conveyors and deck taining cleanliness. They suggest fab- inates such as images, fabrics and metal  
rolls don’t leave marks on the glass,” he ricators be thoroughly involved in the meshes for specific art,it’s very important  
explains.“A washer that receives regular process to prevent the company from [the glass] stays in position.” Since every  
maintenance will clean the glass better; taking on a deficit.  
inoperable heating elements may reduce Campbell says the sheer cost of the could throw off the entire design.  
the ability to control heating effectively— products being fabricated stresses this If a fabricator isn’t inspecting for  
all of this, and more, can be minimized importance. “Laminated glass is typi- quality control, the consequences could  
with a proper maintenance plan.” cally among the higher-cost goods that a be bigger than the monetary value of  
piece is specific, a slight shift in the glass  
Douglas Canfield, president of Cas- fabricator produces,” he explains.“Lites the defected glass. Kevin Lear, sales en-  
so-Solar Technologies in Nanuet, N.Y., rejected at the end of the laminating line gineer at Billco,stresses“Potential issues  
agrees, saying inspecting the clean- have a more significant impact to the relating to poor quality control are cus-  
liness of the machine assembly and business owner’s profitability.”  
the clean room is key in preventing Canfield adds,“If you have a finished can tarnish the fabricator’s reputation.”  
imperfections. To do so, he says, fab- product, and it’s going to be a reject, you  
tomer rejects and delamination. Both  
—Katherine Coig n  
38  
USGlass, Metal & Glazing | June 2017  
www.usglassmag.com  

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