diff --git a/src/components/production/WorkOrders/documents/BendingWorkLogContent.tsx b/src/components/production/WorkOrders/documents/BendingWorkLogContent.tsx
index 99f90d10..ea74e6d5 100644
--- a/src/components/production/WorkOrders/documents/BendingWorkLogContent.tsx
+++ b/src/components/production/WorkOrders/documents/BendingWorkLogContent.tsx
@@ -30,9 +30,10 @@ import { ProductionSummarySection } from './bending/ProductionSummarySection';
 interface BendingWorkLogContentProps {
   data: WorkOrder;
   lotNoMap?: Record<string, string>;  // BD-{prefix}-{lengthCode} → LOT NO
+  bendingImages?: Record<string, string>;  // R2 presigned URL 맵
 }
 
-export function BendingWorkLogContent({ data: order, lotNoMap }: BendingWorkLogContentProps) {
+export function BendingWorkLogContent({ data: order, lotNoMap, bendingImages }: BendingWorkLogContentProps) {
   const today = new Date().toLocaleDateString('ko-KR', {
     year: 'numeric',
     month: '2-digit',
@@ -166,19 +167,23 @@ export function BendingWorkLogContent({ data: order, lotNoMap }: BendingWorkLogC
             mapping={mapping}
             lotNo={order.lotNo}
             lotNoMap={lotNoMap}
+            bendingImages={bendingImages}
           />
           <BottomBarSection
             bendingInfo={bendingInfo!}
             mapping={mapping}
             lotNoMap={lotNoMap}
+            bendingImages={bendingImages}
           />
           <ShutterBoxSection
             bendingInfo={bendingInfo!}
             lotNoMap={lotNoMap}
+            bendingImages={bendingImages}
           />
           <SmokeBarrierSection
             bendingInfo={bendingInfo!}
             lotNoMap={lotNoMap}
+            bendingImages={bendingImages}
           />
         </>
       ) : (
diff --git a/src/components/production/WorkOrders/documents/bending/BottomBarSection.tsx b/src/components/production/WorkOrders/documents/bending/BottomBarSection.tsx
index 75eb6c2f..18863e72 100644
--- a/src/components/production/WorkOrders/documents/bending/BottomBarSection.tsx
+++ b/src/components/production/WorkOrders/documents/bending/BottomBarSection.tsx
@@ -14,9 +14,10 @@ interface BottomBarSectionProps {
   bendingInfo: BendingInfoExtended;
   mapping: MaterialMapping;
   lotNoMap?: Record<string, string>;
+  bendingImages?: Record<string, string>;
 }
 
-export function BottomBarSection({ bendingInfo, mapping, lotNoMap }: BottomBarSectionProps) {
+export function BottomBarSection({ bendingInfo, mapping, lotNoMap, bendingImages }: BottomBarSectionProps) {
   const rows = buildBottomBarRows(bendingInfo.bottomBar, mapping, bendingInfo.productCode);
   if (rows.length === 0) return null;
 
@@ -30,7 +31,7 @@ export function BottomBarSection({ bendingInfo, mapping, lotNoMap }: BottomBarSe
         {/* 좌측: 이미지 */}
         <div className="flex-shrink-0 w-48">
           <img
-            src={getBendingImageUrl('bottombar', bendingInfo.productCode)}
+            src={getBendingImageUrl('bottombar', bendingInfo.productCode, undefined, bendingImages)}
             alt="하단마감재"
             className="w-full border border-gray-300"
           />
diff --git a/src/components/production/WorkOrders/documents/bending/GuideRailSection.tsx b/src/components/production/WorkOrders/documents/bending/GuideRailSection.tsx
index 5be79ff5..97bfa3db 100644
--- a/src/components/production/WorkOrders/documents/bending/GuideRailSection.tsx
+++ b/src/components/production/WorkOrders/documents/bending/GuideRailSection.tsx
@@ -14,7 +14,8 @@ interface GuideRailSectionProps {
   bendingInfo: BendingInfoExtended;
   mapping: MaterialMapping;
   lotNo: string;
-  lotNoMap?: Record<string, string>;  // BD-{prefix}-{lengthCode} → LOT NO
+  lotNoMap?: Record<string, string>;
+  bendingImages?: Record<string, string>;
 }
 
 function PartTable({ title, rows, imageUrl, lotNo: _lotNo, baseSize, lotNoMap }: {
@@ -76,7 +77,7 @@ function PartTable({ title, rows, imageUrl, lotNo: _lotNo, baseSize, lotNoMap }:
   );
 }
 
-export function GuideRailSection({ bendingInfo, mapping, lotNo, lotNoMap }: GuideRailSectionProps) {
+export function GuideRailSection({ bendingInfo, mapping, lotNo, lotNoMap, bendingImages }: GuideRailSectionProps) {
   const { wall, side } = bendingInfo.guideRail;
   const productCode = bendingInfo.productCode;
 
@@ -100,7 +101,7 @@ export function GuideRailSection({ bendingInfo, mapping, lotNo, lotNoMap }: Guid
         <PartTable
           title="1.1 벽면형 [130*75]"
           rows={wallRows}
-          imageUrl={getBendingImageUrl('guiderail', productCode, 'wall')}
+          imageUrl={getBendingImageUrl('guiderail', productCode, 'wall', bendingImages)}
           lotNo={lotNo}
           baseSize={wall?.baseDimension || wall?.baseSize}
           lotNoMap={lotNoMap}
@@ -111,7 +112,7 @@ export function GuideRailSection({ bendingInfo, mapping, lotNo, lotNoMap }: Guid
         <PartTable
           title="1.2 측면형 [130*125]"
           rows={sideRows}
-          imageUrl={getBendingImageUrl('guiderail', productCode, 'side')}
+          imageUrl={getBendingImageUrl('guiderail', productCode, 'side', bendingImages)}
           lotNo={lotNo}
           baseSize={side?.baseDimension || '135*130'}
           lotNoMap={lotNoMap}
diff --git a/src/components/production/WorkOrders/documents/bending/ShutterBoxSection.tsx b/src/components/production/WorkOrders/documents/bending/ShutterBoxSection.tsx
index a496a828..878afac9 100644
--- a/src/components/production/WorkOrders/documents/bending/ShutterBoxSection.tsx
+++ b/src/components/production/WorkOrders/documents/bending/ShutterBoxSection.tsx
@@ -13,9 +13,10 @@ import { buildShutterBoxRows, getBendingImageUrl, fmt, fmtWeight, lookupLotNo }
 interface ShutterBoxSectionProps {
   bendingInfo: BendingInfoExtended;
   lotNoMap?: Record<string, string>;
+  bendingImages?: Record<string, string>;
 }
 
-function ShutterBoxSubSection({ box, index, lotNoMap }: { box: ShutterBoxData; index: number; lotNoMap?: Record<string, string> }) {
+function ShutterBoxSubSection({ box, index, lotNoMap, bendingImages }: { box: ShutterBoxData; index: number; lotNoMap?: Record<string, string>; bendingImages?: Record<string, string> }) {
   const rows = buildShutterBoxRows(box);
   if (rows.length === 0) return null;
 
@@ -37,7 +38,7 @@ function ShutterBoxSubSection({ box, index, lotNoMap }: { box: ShutterBoxData; i
         <div className="flex-shrink-0 w-48">
           <div className="relative">
             <img
-              src={getBendingImageUrl('box', '', imageType)}
+              src={getBendingImageUrl('box', '', imageType, bendingImages)}
               alt={`셔터박스 ${box.direction}`}
               className="w-full border border-gray-300"
             />
@@ -92,7 +93,7 @@ function ShutterBoxSubSection({ box, index, lotNoMap }: { box: ShutterBoxData; i
   );
 }
 
-export function ShutterBoxSection({ bendingInfo, lotNoMap }: ShutterBoxSectionProps) {
+export function ShutterBoxSection({ bendingInfo, lotNoMap, bendingImages }: ShutterBoxSectionProps) {
   const boxes = bendingInfo.shutterBox;
   if (!boxes || boxes.length === 0) return null;
 
@@ -103,7 +104,7 @@ export function ShutterBoxSection({ bendingInfo, lotNoMap }: ShutterBoxSectionPr
       </div>
 
       {boxes.map((box, idx) => (
-        <ShutterBoxSubSection key={idx} box={box} index={idx} lotNoMap={lotNoMap} />
+        <ShutterBoxSubSection key={idx} box={box} index={idx} lotNoMap={lotNoMap} bendingImages={bendingImages} />
       ))}
     </div>
   );
diff --git a/src/components/production/WorkOrders/documents/bending/SmokeBarrierSection.tsx b/src/components/production/WorkOrders/documents/bending/SmokeBarrierSection.tsx
index 8e6f1eb9..123ea478 100644
--- a/src/components/production/WorkOrders/documents/bending/SmokeBarrierSection.tsx
+++ b/src/components/production/WorkOrders/documents/bending/SmokeBarrierSection.tsx
@@ -14,9 +14,10 @@ import { buildSmokeBarrierRows, getBendingImageUrl, fmt, fmtWeight, lookupLotNo
 interface SmokeBarrierSectionProps {
   bendingInfo: BendingInfoExtended;
   lotNoMap?: Record<string, string>;
+  bendingImages?: Record<string, string>;
 }
 
-export function SmokeBarrierSection({ bendingInfo, lotNoMap }: SmokeBarrierSectionProps) {
+export function SmokeBarrierSection({ bendingInfo, lotNoMap, bendingImages }: SmokeBarrierSectionProps) {
   const rows = buildSmokeBarrierRows(bendingInfo.smokeBarrier);
   if (rows.length === 0) return null;
 
@@ -30,7 +31,7 @@ export function SmokeBarrierSection({ bendingInfo, lotNoMap }: SmokeBarrierSecti
         {/* 좌측: 이미지 */}
         <div className="flex-shrink-0 w-48">
           <img
-            src={getBendingImageUrl('smokebarrier', '')}
+            src={getBendingImageUrl('smokebarrier', '', undefined, bendingImages)}
             alt="연기차단재"
             className="w-full border border-gray-300"
           />
diff --git a/src/components/production/WorkOrders/documents/bending/utils.ts b/src/components/production/WorkOrders/documents/bending/utils.ts
index 3bcc51ef..e948f55e 100644
--- a/src/components/production/WorkOrders/documents/bending/utils.ts
+++ b/src/components/production/WorkOrders/documents/bending/utils.ts
@@ -127,11 +127,42 @@ export function getMaterialMapping(productCode: string, finishMaterial: string):
 
 const API_BASE = process.env.NEXT_PUBLIC_API_URL || 'https://api.sam.kr';
 
-export function getBendingImageUrl(
+/**
+ * 절곡 이미지 키 생성 (bending_images 맵 조회용)
+ */
+export function getBendingImageKey(
   category: 'guiderail' | 'bottombar' | 'smokebarrier' | 'box',
   productCode: string,
   type?: 'wall' | 'side' | 'both' | 'bottom' | 'rear',
 ): string {
+  switch (category) {
+    case 'guiderail': {
+      const isLargeProfile = ['KQTS01', 'KTE01'].includes(productCode);
+      const size = isLargeProfile
+        ? (type === 'wall' ? '130x75' : '130x125')
+        : (type === 'wall' ? '120x70' : '120x120');
+      return `guiderail_${productCode}_${type}_${size}`;
+    }
+    case 'bottombar':
+      return `bottombar_${productCode}`;
+    case 'smokebarrier':
+      return 'smokeban';
+    case 'box':
+      return `box_${type || 'both'}`;
+    default:
+      return '';
+  }
+}
+
+export function getBendingImageUrl(
+  category: 'guiderail' | 'bottombar' | 'smokebarrier' | 'box',
+  productCode: string,
+  type?: 'wall' | 'side' | 'both' | 'bottom' | 'rear',
+  bendingImages?: Record<string, string>,
+): string {
+  const key = getBendingImageKey(category, productCode, type);
+  if (bendingImages?.[key]) return bendingImages[key];
+  // fallback: API 서버 직접 (레거시)
   switch (category) {
     case 'guiderail': {
       const isLargeProfile = ['KQTS01', 'KTE01'].includes(productCode);
diff --git a/src/components/production/WorkerScreen/WorkLogModal.tsx b/src/components/production/WorkerScreen/WorkLogModal.tsx
index 6723d4a7..34aa98ee 100644
--- a/src/components/production/WorkerScreen/WorkLogModal.tsx
+++ b/src/components/production/WorkerScreen/WorkLogModal.tsx
@@ -63,6 +63,7 @@ export function WorkLogModal({
   const [isLoading, setIsLoading] = useState(false);
   const [isSaving, setIsSaving] = useState(false);
   const [error, setError] = useState<string | null>(null);
+  const [bendingImages, setBendingImages] = useState<Record<string, string>>({});
   const contentWrapperRef = useRef<HTMLDivElement>(null);
   // Lazy Snapshot 대상 문서 ID
   const [snapshotDocumentId, setSnapshotDocumentId] = useState<number | null>(null);
@@ -129,6 +130,10 @@ export function WorkLogModal({
           if (lotsResult.success) {
             setMaterialLots(lotsResult.data);
           }
+          // bending_images 맵 저장
+          if (workLogResult.success && workLogResult.data?.bending_images) {
+            setBendingImages(workLogResult.data.bending_images);
+          }
           // Lazy Snapshot: 문서가 있고 rendered_html이 없으면 스냅샷 대상
           if (workLogResult.success && workLogResult.data?.document) {
             const doc = workLogResult.data.document as { id?: number; rendered_html?: string | null };
@@ -147,6 +152,7 @@ export function WorkLogModal({
       // 모달 닫힐 때 상태 초기화
       setOrder(null);
       setMaterialLots([]);
+      setBendingImages({});
       setSnapshotDocumentId(null);
       setError(null);
     }
@@ -250,7 +256,7 @@ export function WorkLogModal({
             lotNoMap[lot.item_code] = lot.lot_no;
           }
         }
-        return <BendingWorkLogContent data={order} lotNoMap={lotNoMap} />;
+        return <BendingWorkLogContent data={order} lotNoMap={lotNoMap} bendingImages={bendingImages} />;
       }
       default:
         return <WorkLogContent data={order} />;
diff --git a/src/components/production/WorkerScreen/actions.ts b/src/components/production/WorkerScreen/actions.ts
index df71d8ad..99664948 100644
--- a/src/components/production/WorkerScreen/actions.ts
+++ b/src/components/production/WorkerScreen/actions.ts
@@ -771,6 +771,7 @@ export async function getWorkLog(
     document: Record<string, unknown> | null;
     auto_values: Record<string, string>;
     work_stats: Record<string, unknown>;
+    bending_images: Record<string, string>;
   };
   error?: string;
 }> {
@@ -779,6 +780,7 @@ export async function getWorkLog(
     document: Record<string, unknown> | null;
     auto_values: Record<string, string>;
     work_stats: Record<string, unknown>;
+    bending_images: Record<string, string>;
   }>({
     url: `${API_URL}/api/v1/work-orders/${workOrderId}/work-log`,
     errorMessage: '작업일지 조회에 실패했습니다.',