Any experienced lifter will tell you the importance of developing your technique. Masterful technique will not only allow you to lift more weight, it will allow you to safely lift more weight.
If your goal is a big bench, spend time honing your competition bench. Next, identify and attack your weaknesses.
“You’re only as strong as your weakest link.”
If you’re a raw lifter, you need to build ton of strength in the bottom end (right off or a couple inches from your chest) of the bench press.