diff --git a/app/Http/Controllers/Api/V1/BendingController.php b/app/Http/Controllers/Api/V1/BendingController.php
index 9bbc3775..7f03fa49 100644
--- a/app/Http/Controllers/Api/V1/BendingController.php
+++ b/app/Http/Controllers/Api/V1/BendingController.php
@@ -89,7 +89,7 @@ public function materialLots(Request $request): JsonResponse
     }
 
     /**
-     * LOT 번호 생성 (프리뷰 + 일련번호 확정)
+     * LOT 번호 생성 (일련번호 없음 — 같은 날 같은 조합은 동일 LOT)
      */
     public function generateLotNumber(Request $request): JsonResponse
     {
@@ -103,15 +103,11 @@ public function generateLotNumber(Request $request): JsonResponse
                 return ['error' => 'MISSING_PARAMS', 'code' => 400, 'message' => 'prod_code, spec_code, length_code가 필요합니다.'];
             }
 
-            $dateCode = BendingCodeService::generateDateCode($regDate);
-            $lotBase = "{$prodCode}{$specCode}{$dateCode}-{$lengthCode}";
-            $lotNumber = $this->service->generateLotNumber($lotBase);
+            $lotNumber = $this->service->generateLotNumber($prodCode, $specCode, $lengthCode, $regDate);
             $material = BendingCodeService::getMaterial($prodCode, $specCode);
 
             return [
-                'lot_base' => $lotBase,
                 'lot_number' => $lotNumber,
-                'date_code' => $dateCode,
                 'material' => $material,
             ];
         }, __('message.fetched'));
diff --git a/app/Services/BendingCodeService.php b/app/Services/BendingCodeService.php
index aa8e9a55..f360b449 100644
--- a/app/Services/BendingCodeService.php
+++ b/app/Services/BendingCodeService.php
@@ -2,7 +2,6 @@
 
 namespace App\Services;
 
-use App\Models\Orders\Order;
 use App\Models\Production\BendingItemMapping;
 
 class BendingCodeService extends Service
@@ -154,24 +153,15 @@ public function resolveItem(string $prodCode, string $specCode, string $lengthCo
     }
 
     /**
-     * LOT 번호 생성 (일련번호 suffix 포함)
+     * LOT 번호 생성 (일련번호 없음 — 같은 날 같은 조합은 동일 LOT)
      *
-     * base: 'GI6317-53' → 결과: 'GI6317-53-001'
+     * 예: prod='C', spec='L', length='30', date='2026-03-18' → 'CL6318-30'
      */
-    public function generateLotNumber(string $lotBase): string
+    public function generateLotNumber(string $prodCode, string $specCode, string $lengthCode, string $date): string
     {
-        $tenantId = $this->tenantId();
+        $dateCode = self::generateDateCode($date);
 
-        // 같은 base로 시작하는 기존 LOT 수 조회
-        $count = Order::withoutGlobalScopes()
-            ->where('tenant_id', $tenantId)
-            ->where('order_type_code', Order::TYPE_STOCK)
-            ->where('options->bending_lot->lot_number', 'LIKE', $lotBase.'-%')
-            ->count();
-
-        $seq = str_pad($count + 1, 3, '0', STR_PAD_LEFT);
-
-        return "{$lotBase}-{$seq}";
+        return "{$prodCode}{$specCode}{$dateCode}-{$lengthCode}";
     }
 
     /**