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测试分析报告CMEL-MF-010 A/2项目编号 20259098签发日期:2025年7月18日

项目名称:岳阳低压电机用绝缘材料耐油性测试分发对象:陈远云 --- 岳阳工程部

项目描述:

要求使用 ISO VG46 润滑油对岳阳低压电机材料进行耐油性测试。根据要求,材料需分别浸泡在 97 % 97 % 97%97 \% ISO VG46 润滑油和 3 % H 2 O 3 % H 2 O 3%H_(2)O3 \% \mathrm{H}_{2} \mathrm{O} 混合油中 720 小时/1440 小时@ 95 C 95 C 95^(@)C95^{\circ} \mathrm{C}

测试结果:

兼容性测试后,除 NMN 和 NHN 绝缘材料外,所有提交的绝缘材料和部件均表现出良好的兼容性能。

艾米丽·陈批准人:材料工程师

附件一:测试详情

1. 测试样品清单
样品编号 样品描述
1 M238 绝缘材料
2 NMN 绝缘材料
3 NHN 绝缘材料
4 6050绝缘材料
5 2507102-004套管
6 2507580-011 轴套
7 2507581-006 轴套
8 2507617-009 轴套
9 2507570-005 轴套
10 2507504-001 胶带
11 3240 H 级槽楔
12 S5202-001 清漆
13 MFD-FL-001 O 型圈
14 OXQ-117 型 O 型圈
15 OXQ-118 型 O 型圈
16 密封胶
17 环氧树脂
18 碳纤维
Sample No. Description 1 M238 Insulation 2 NMN Insulation 3 NHN Insulation 4 6050 Insulation 5 2507102-004 Sleeve 6 2507580-011 Sleeve 7 2507581-006 Sleeve 8 2507617-009 Sleeve 9 2507570-005 Sleeve 10 2507504-001 Tape 11 3240 H class wedge 12 S5202-001 varnish 13 MFD-FL-001 O-ring 14 OXQ-117 O-ring 15 OXQ-118 O-ring 16 Sealant 17 Epoxy 18 Cabon Fiber| Sample No. | Description | | :--- | :--- | | 1 | M238 Insulation | | 2 | NMN Insulation | | 3 | NHN Insulation | | 4 | 6050 Insulation | | 5 | 2507102-004 Sleeve | | 6 | 2507580-011 Sleeve | | 7 | 2507581-006 Sleeve | | 8 | 2507617-009 Sleeve | | 9 | 2507570-005 Sleeve | | 10 | 2507504-001 Tape | | 11 | 3240 H class wedge | | 12 | S5202-001 varnish | | 13 | MFD-FL-001 O-ring | | 14 | OXQ-117 O-ring | | 15 | OXQ-118 O-ring | | 16 | Sealant | | 17 | Epoxy | | 18 | Cabon Fiber |

2. 样品评估

2.1 介电强度与外观检查

测试方法参照 UL 60335-2-34 6 th 6 th  6^("th ")6^{\text {th }} 版标准,测试条件为 1 分钟耐压试验,初始样品的测试电压为 938V,兼容性测试后样品为 750V。
依据 MCS1075 规定要求
片状绝缘材料:允许出现黄变/褐变色变,但不得出现膨胀、发粘现象,边角裂纹不超过 10 % 10 % 10%10 \% 处,边角折皱不超过 50 % 50 % 50%50 \% 处。暴露后介电强度不低于原值的 80 % 80 % 80%80 \% ,层压板暴露后拉伸性能不低于原值的 80 % 80 % 80%80 \%
套管或软管:无过度变色、无起泡、无分层且无明显物理性能变化
热敏传感器:外部绝缘层无过度变色、无裂纹及粘性
胶带:允许出现黄变/褐变,无粘性,手指按压时无裂纹
项目编号:20259098
发布日期:2025年7月18日
编号 样品标识 测试条件 测试结果 外观检查
初始电压 938 伏 测试后电压 750 伏
1 M238 绝缘材料 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图1)
1440小时 绝缘未击穿 绝缘未击穿 无明显变化(图1)
2 NMN 绝缘材料 720小时 绝缘未击穿 绝缘未击穿 起泡现象(图1)
1440小时 绝缘未击穿 绝缘未击穿 起泡现象(图1)
3 NHN 绝缘材料 720小时 绝缘未击穿 绝缘未击穿 起泡现象(图1)
1440小时 绝缘未击穿 绝缘未击穿 起泡现象(图1)
4 6050绝缘材料 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图1)
1440小时 绝缘未击穿 绝缘未击穿 无明显变化(图1)
5 2507102-004套管 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
1440小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
6 2507580-011套管 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
1440小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
7 2507581-006套管 720小时 / 1 无明显变化(图2)
1440小时 1 无明显变化(图2)
8 2507617-009 轴套 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
1440小时 绝缘未击穿 绝缘未击穿 变为棕色(图2)
9 2507570-005 轴套 720小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
1440小时 绝缘未击穿 绝缘未击穿 无明显变化(图2)
No. Sample ID Test Condition Test Result Appearance Check As Received 938 V After Test 750 V 1 M238 Insulation 720hours No breakdown No breakdown No obvious change (Picture 1) 1440hours No breakdown No breakdown No obvious change (Picture 1) 2 NMN Insulation 720hours No breakdown No breakdown Blistering (Picture 1) 1440hours No breakdown No breakdown Blistering (Picture 1) 3 NHN Insulation 720hours No breakdown No breakdown Blistering (Picture 1) 1440hours No breakdown No breakdown Blistering (Picture 1) 4 6050 Insulation 720hours No breakdown No breakdown No obvious change (Picture 1) 1440hours No breakdown No breakdown No obvious change (Picture 1) 5 2507102-004 Sleeve 720hours No breakdown No breakdown No obvious change (Picture 2) 1440hours No breakdown No breakdown No obvious change (Picture 2) 6 2507580-011 Sleeve 720hours No breakdown No breakdown No obvious change (Picture 2) 1440hours No breakdown No breakdown No obvious change (Picture 2) 7 2507581-006 Sleeve 720hours / 1 No obvious change (Picture 2) 1440hours 1 No obvious change (Picture 2) 8 2507617-009 Sleeve 720hours No breakdown No breakdown No obvious change (Picture 2) 1440hours No breakdown No breakdown Turned Brown (Picture 2) 9 2507570-005 Sleeve 720hours No breakdown No breakdown No obvious change (Picture 2) 1440hours No breakdown No breakdown No obvious change (Picture 2)| No. | Sample ID | Test Condition | Test Result | | Appearance Check | | :--- | :--- | :--- | :--- | :--- | :--- | | | | | As Received 938 V | After Test 750 V | | | 1 | M238 Insulation | 720hours | No breakdown | No breakdown | No obvious change (Picture 1) | | | | 1440hours | No breakdown | No breakdown | No obvious change (Picture 1) | | 2 | NMN Insulation | 720hours | No breakdown | No breakdown | Blistering (Picture 1) | | | | 1440hours | No breakdown | No breakdown | Blistering (Picture 1) | | 3 | NHN Insulation | 720hours | No breakdown | No breakdown | Blistering (Picture 1) | | | | 1440hours | No breakdown | No breakdown | Blistering (Picture 1) | | 4 | 6050 Insulation | 720hours | No breakdown | No breakdown | No obvious change (Picture 1) | | | | 1440hours | No breakdown | No breakdown | No obvious change (Picture 1) | | 5 | 2507102-004 Sleeve | 720hours | No breakdown | No breakdown | No obvious change (Picture 2) | | | | 1440hours | No breakdown | No breakdown | No obvious change (Picture 2) | | 6 | 2507580-011 Sleeve | 720hours | No breakdown | No breakdown | No obvious change (Picture 2) | | | | 1440hours | No breakdown | No breakdown | No obvious change (Picture 2) | | 7 | 2507581-006 Sleeve | 720hours | / | 1 | No obvious change (Picture 2) | | | | 1440hours | | 1 | No obvious change (Picture 2) | | 8 | 2507617-009 Sleeve | 720hours | No breakdown | No breakdown | No obvious change (Picture 2) | | | | 1440hours | No breakdown | No breakdown | Turned Brown (Picture 2) | | 9 | 2507570-005 Sleeve | 720hours | No breakdown | No breakdown | No obvious change (Picture 2) | | | | 1440hours | No breakdown | No breakdown | No obvious change (Picture 2) |
图1,样品1-4(从左至右)经过720小时(上)和1440小时(下)测试后状态
项目编号:20259098
发布日期:2025年7月18日
图2:5-9号样品(从左至右)经过720小时(左)和1440小时(右)测试后的状态

2.2 外观检查
编号 样品标识 测试条件 外观变化
11 3240 H 级槽楔 720小时 无明显变化(图3)
1440小时
13 MFD-FL-001 O 型圈 720小时 无明显变化(图4)
1440小时
14 OXQ-117 型 O 型圈 720小时 无明显变化(图4)
1440小时
15 OXQ-118 型 O 型圈 720小时 无明显变化(图4)
1440小时
16 密封胶 720小时 无明显变化(图5)
1440小时
17 环氧树脂 720小时 无明显变化(图5)
1440小时
No. Sample ID Test Condition Appearance Change 11 3240 H class wedge 720hours No obvious change (Picture 3) 1440hours 13 MFD-FL-001 O-ring 720hours No obvious change (Picture 4) 1440hours 14 OXQ-117 O-ring 720hours No obvious change (Picture 4) 1440hours 15 OXQ-118 O-ring 720hours No obvious change (Picture 4) 1440hours 16 Sealant 720hours No obvious change (Picture 5) 1440hours 17 Epoxy 720hours No obvious change (Picture 5) 1440hours | No. | Sample ID | Test Condition | Appearance Change | | :--- | :--- | :--- | :--- | | 11 | 3240 H class wedge | 720hours | No obvious change (Picture 3) | | | | 1440hours | | | 13 | MFD-FL-001 O-ring | 720hours | No obvious change (Picture 4) | | | | 1440hours | | | 14 | OXQ-117 O-ring | 720hours | No obvious change (Picture 4) | | | | 1440hours | | | 15 | OXQ-118 O-ring | 720hours | No obvious change (Picture 4) | | | | 1440hours | | | 16 | Sealant | 720hours | No obvious change (Picture 5) | | | | 1440hours | | | 17 | Epoxy | 720hours | No obvious change (Picture 5) | | | | 1440hours | |
图3,11号样品经过720小时(左)和1440小时(右)测试后的状态
图4,13-15号样品(从左至右)经过720小时(左)和1440小时(右)测试后的状态
图5:样本16-17(从左至右)经过720小时(左)和1440小时(右)测试后的状态
项目编号:20259098
发布日期:2025年7月18日

2.3 抗拉强度测试

经制冷剂和油浸泡后的绑扎线样品,其断裂强度应至少达到原始绑扎线平均断裂强度的 80 % 80 % 80%80 \%
编号 样品标识 测试条件 测试结果 外观变化
原始状态,N 级 测试后,N 保持率
1 M238 绝缘材料 720小时 252 215 85.31% 无明显变化(图1)
1440小时 201 81.52% 无明显变化(图1)
2 NMN 绝缘材料 720小时 234 203 86.75% 起泡现象(图1)
1440小时 195 83.33% 起泡现象(图1)
3 NHN 绝缘材料 720小时 268 219 81.72% 起泡现象(图1)
1440小时 205 80.15% 起泡现象(图1)
4 6050绝缘材料 720小时 108 98 90.74% 无明显变化(图1)
1440小时 95 87.96% 无明显变化(图1)
10 2507504-001胶带 720小时 380 335 88.16% 无明显变化(图6)
1440小时 321 84.47% 变黄(图6)
No. Sample ID Test Condition Test Result Appearance change As received, N After Test, N Retention Rate 1 M238 Insulation 720hours 252 215 85.31% No obvious change (Picture 1) 1440hours 201 81.52% No obvious change (Picture 1) 2 NMN Insulation 720hours 234 203 86.75% Blistering (Picture 1) 1440hours 195 83.33% Blistering (Picture 1) 3 NHN Insulation 720hours 268 219 81.72% Blistering (Picture 1) 1440hours 205 80.15% Blistering (Picture 1) 4 6050 Insulation 720hours 108 98 90.74% No obvious change (Picture 1) 1440hours 95 87.96% No obvious change (Picture 1) 10 2507504-001 tape 720hours 380 335 88.16% No obvious change (Picture 6) 1440hours 321 84.47% Turned yellow (Picture 6)| No. | Sample ID | Test Condition | Test Result | | | Appearance change | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | | | As received, N | After Test, N | Retention Rate | | | 1 | M238 Insulation | 720hours | 252 | 215 | 85.31% | No obvious change (Picture 1) | | | | 1440hours | | 201 | 81.52% | No obvious change (Picture 1) | | 2 | NMN Insulation | 720hours | 234 | 203 | 86.75% | Blistering (Picture 1) | | | | 1440hours | | 195 | 83.33% | Blistering (Picture 1) | | 3 | NHN Insulation | 720hours | 268 | 219 | 81.72% | Blistering (Picture 1) | | | | 1440hours | | 205 | 80.15% | Blistering (Picture 1) | | 4 | 6050 Insulation | 720hours | 108 | 98 | 90.74% | No obvious change (Picture 1) | | | | 1440hours | | 95 | 87.96% | No obvious change (Picture 1) | | 10 | 2507504-001 tape | 720hours | 380 | 335 | 88.16% | No obvious change (Picture 6) | | | | 1440hours | | 321 | 84.47% | Turned yellow (Picture 6) |
图6,10号样品在720小时(左)和1440小时(右)测试后
项目编号:20259098
发布日期:2025年7月18日
2.4 弯曲强度测试
编号 样品标识 测试条件 测试结果 外观变化
原始状态,N 级 测试后,N 保持率
12 S5202-001 绝缘漆 720小时 300 228 76% 无明显变化(图7)
1440小时 168 56%
18 碳纤维 720小时 25 22 88% 无明显变化(图8)
1440小时 21 84%
No. Sample ID Test Condition Test Result Appearance change As received, N After Test, N Retention Rate 12 S5202-001 varnish 720hours 300 228 76% No obvious change (Picture 7) 1440hours 168 56% 18 Carbon Fiber 720hours 25 22 88% No obvious change (Picture 8) 1440hours 21 84% | No. | Sample ID | Test Condition | Test Result | | | Appearance change | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | | | As received, N | After Test, N | Retention Rate | | | 12 | S5202-001 varnish | 720hours | 300 | 228 | 76% | No obvious change (Picture 7) | | | | 1440hours | | 168 | 56% | | | 18 | Carbon Fiber | 720hours | 25 | 22 | 88% | No obvious change (Picture 8) | | | | 1440hours | | 21 | 84% | |
图7,12号样品经过720小时(左)和1440小时(右)测试后状态
图8,18号样品经过720小时(左)和1440小时(右)测试后状态
结束

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