超硬パンチの製造にはいくつかの手順があり、特殊な装置と材料が必要です。 まず、耐久性のあるパンチングに適した適切な炭化タングステン素材を選択する必要があります。
超硬は非常に硬く耐久性のある材料として、スタンピングツールやプレス金型によく使用されます。 超硬モデルには、KD20、RD50、KX03、RG3、FD15、H40S、CD650 など、さまざまな種類があります。KD20 のような四角い超硬パンチの製造に適したものや、H40S のような丸い超硬パンチの加工に適したものもあります。 超硬には、WC または HM (「Hard Metal」の略語) などの一般的な言い方もあります。
プロセスの一般的なガイドラインは次のとおりです。
設計: 一連のスタンピングダイの特定の使用法に従って、機械設計者が超硬パンチの仕様と設計を決定します。 これには、特定のアプリケーションに必要な寸法、形状、特定の機能が含まれます。
材料の選択: 上で述べたように、超硬パンチを製造するための選択にはさまざまな種類のタングステンカーバイド材料とモデルがあり、一部の材料は日本製、一部はヨーロッパ製、一部はアメリカまたは中国製です。 パンチの形状（正方形、長方形、円形）に応じて、適切なサイズと形状のタングステンカーバイドブランクを入手する必要があります。
機械加工: 超硬は非常に硬いため、従来の方法では機械加工できません。 代わりに、通常はダイヤモンド砥石やその他の研磨方法を使用して研削して形状を整えます。
また、超硬パンチを製造するには、プロファイル研削盤(PG)、ダイヤモンド砥石付き平面研削盤(SG)、ワイヤー放電加工機などの特殊な加工機も必要です。
ワイヤーカットとプロファイル研削では、CAD/CAM ソフトウェアを使用してツールパスをプログラムする必要がある場合があり、超硬パンチを希望の形状と寸法に切断および研削できます。
仕上げ: 機械加工後、超硬パンチは希望の RA 表面仕上げを達成するために追加の仕上げ操作が必要になる場合があります。 これには、特定の領域に対する高光沢の研磨またはラッピング プロセスが含まれる場合があります。
表面処理（オプション）：用途に応じて、超硬パンチの性能や耐久性をさらに高めるために、コーティングやメッキなどの表面処理を適用することを選択する場合があります。
超硬パンチまたはダイインサートに一般的に使用されるコーティングには、DLC (「ダイヤモンド状カーボン」の略語)、CrN、CrCN、錫、TiCN、TiALN、TiALCN、AlCrN、AlCrTiN などが含まれます。
品質管理: 超硬パンチが製造されたら、品質管理チェックを実行して、指定された公差と性能要件を満たしていることを確認することが重要です。 これには、精密測定装置を使用した寸法検査や、模擬動作条件下でのパンチのテストが含まれる場合があります。
用途: 超硬パンチは主にミクロ経済産業、自動車産業、医療産業に適用されます。ミクロ経済産業には、コネクタおよび端子のサブ産業、半導体のサブ産業、コンピューターのサブ産業などが含まれます。
超硬パンチの製造には特殊な設備と専門知識が必要であることに注意してください。 したがって、超硬加工の経験がない場合は、専門の信頼できるサプライヤーから既製の超硬パンチまたはカスタムメイドの超硬パンチを購入する方が現実的かもしれません。
ご質問があり、超硬パンチについて相談したい場合は、+86-15338374626、sales@langdi-precision.com までお問い合わせください。
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